Home / 9,691.76-13,387.80-7,593.84

Finding the Fourth Proportional to 9,691.76, 13,387.80 and 7,593.84

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Solution

The fourth proportional to 9,691.76, 13,387.80 and 7,593.84 is: 10,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691.76 : 13,387.80 = 7,593.84 : x
  2. Step 2: Convert to fraction form
    9,691.76/13,387.80 = 7,593.84/x
  3. Step 3: Cross multiply
    9,691.76x = 13,387.80 × 7,593.84
  4. Step 4: Simplify right side
    9,691.76x = 101,664,811.15
  5. Step 5: Solve for x
    x = 101,664,811.15/9,691.76
  6. Step 6: Final answer
    x = 10,489.82

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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.