( Fulcrum )

Weight 1 = 150 lb.
Weight 2= 450 lb.
Distance 1 = 15 ft
Distance 2 ?

So I got an answer of 11 1/4

but I have no idea if im even right and I took an answer from the book which is in the photo and can be used as an example. Help please?

Fulcrum Weight 1 150 lb Weight 2 450 lb Distance 1 15 ft Distance 2 So I got an answer of 11 14 but I have no idea if im even right and I took an answer from t class=