Home / 9,939.52-13,715.85-5,463.17

Finding the Fourth Proportional to 9,939.52, 13,715.85 and 5,463.17

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Solution

The fourth proportional to 9,939.52, 13,715.85 and 5,463.17 is: 7,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.52 : 13,715.85 = 5,463.17 : x
  2. Step 2: Convert to fraction form
    9,939.52/13,715.85 = 5,463.17/x
  3. Step 3: Cross multiply
    9,939.52x = 13,715.85 × 5,463.17
  4. Step 4: Simplify right side
    9,939.52x = 74,932,054.53
  5. Step 5: Solve for x
    x = 74,932,054.53/9,939.52
  6. Step 6: Final answer
    x = 7,538.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.