Solving Proportion Problems
Question 1:
y is directly proportional to the cube of x.
When x = 1, y = 6, find y when
x = 7.
2058
Question 2:
y is directly proportional to the cube of x.
When x = 10, y = 7000, find y when
x = 1.
7
Question 3:
y is inversely proportional to the square of x.
When x = 1, y = 484, find y when
x = 11.
4
Question 4:
y is inversely proportional to the cube of x.
When x = 1, y = 640, find y when
x = 4.
10
