The area of the base of a prism is 6x square inches, and the height of the prism is 3.5x inches. If the prism has a volume of 3,024 cubic inches, what is the value of 'x'?
Volume(prism) = Area(base) x height
Volume = 6x · 3.5x
3024 = 21 x2
144 = x2
---> x = 12 inches