Home / 30,888.56-46,332.57-7,515.02

Finding the Fourth Proportional to 30,888.56, 46,332.57 and 7,515.02

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Solution

The fourth proportional to 30,888.56, 46,332.57 and 7,515.02 is: 11,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.56 : 46,332.57 = 7,515.02 : x
  2. Step 2: Convert to fraction form
    30,888.56/46,332.57 = 7,515.02/x
  3. Step 3: Cross multiply
    30,888.56x = 46,332.57 × 7,515.02
  4. Step 4: Simplify right side
    30,888.56x = 348,190,190.20
  5. Step 5: Solve for x
    x = 348,190,190.20/30,888.56
  6. Step 6: Final answer
    x = 11,272.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.