Home / 10,517.42-15,776.14-3,591.92

Finding the Fourth Proportional to 10,517.42, 15,776.14 and 3,591.92

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Solution

The fourth proportional to 10,517.42, 15,776.14 and 3,591.92 is: 5,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.42 : 15,776.14 = 3,591.92 : x
  2. Step 2: Convert to fraction form
    10,517.42/15,776.14 = 3,591.92/x
  3. Step 3: Cross multiply
    10,517.42x = 15,776.14 × 3,591.92
  4. Step 4: Simplify right side
    10,517.42x = 56,666,632.79
  5. Step 5: Solve for x
    x = 56,666,632.79/10,517.42
  6. Step 6: Final answer
    x = 5,387.88

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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.