text: any math wiz out there that can help with my homework? i have a math problem for homework that i cant figure out, it says x over 12 = 3 over 9 i cant even figure out what its asking me for, all i know is that you have to do more than just find out what x is. anyone know what i have to do? solve the equation for x?  x/12 = 3/9 x = (12*3) / 9 x = 4