I was in the exact same boat (acting out at age 10-14)! When the original four perps (4 older boys) were greatly done with me I went looking for "it" from those within the same crowd. That "crowd" being other older jock kids who would pay for things. I had a reputation for such things and only had to make myself visible on a basketball court at the prep school near my house and wait for one of them to approach me. It was not long at all until there not even ANY conversation required...reputation alone provided a great-big sign on my chest.
One very interesting note: Not one of those that I approached ever said "no." And they were always 3-4 years older than me.
For me, it was not physical pleasure that drove me to that anonymous-sex part of acting out. I had other relationships for that. Rather, mine was a:
1) feeling of acceptance and usefulness with the type of guys I felt like would never have any other use for me.
2) clear self-loathing. I felt like I deserved a depraved life.
3) un-explainable drive to do it.
...I wonder why I went back over and over again wanting it and not wanting it. Sick, isn't it? Someone tell me I'm okay - Please. It's been a very hard week.
Those whom have seen my posts from when I was relatively new here know very well that I deal with the same end-result issues....the same questions. I'm coming to realize as a boy, I had no knowledge of any other behavior..no ideas of any options. My role in that little town was developed from age 7.5 without my doing.
I still trying to see all that without wanting to puke, cry or worse. I'm beginning to see (intellectually) that it was out of my control. However, seeing the logic and intellectual argument does not do much for my emotional view.