Home / 11,436.11-17,154.17-7,539.61

Finding the Fourth Proportional to 11,436.11, 17,154.17 and 7,539.61

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Solution

The fourth proportional to 11,436.11, 17,154.17 and 7,539.61 is: 11,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.11 : 17,154.17 = 7,539.61 : x
  2. Step 2: Convert to fraction form
    11,436.11/17,154.17 = 7,539.61/x
  3. Step 3: Cross multiply
    11,436.11x = 17,154.17 × 7,539.61
  4. Step 4: Simplify right side
    11,436.11x = 129,335,727.64
  5. Step 5: Solve for x
    x = 129,335,727.64/11,436.11
  6. Step 6: Final answer
    x = 11,309.41

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Double scale
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Similar ratio
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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.