i need some help D: this is the question 4x>12 (basically a one step equation) but i need to find what x is and i really need some help with an explanation on how to do these types of problems pelase explain :'(

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.