Home / 10,126.18-15,189.13-3,462.61

Finding the Fourth Proportional to 10,126.18, 15,189.13 and 3,462.61

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Solution

The fourth proportional to 10,126.18, 15,189.13 and 3,462.61 is: 5,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.18 : 15,189.13 = 3,462.61 : x
  2. Step 2: Convert to fraction form
    10,126.18/15,189.13 = 3,462.61/x
  3. Step 3: Cross multiply
    10,126.18x = 15,189.13 × 3,462.61
  4. Step 4: Simplify right side
    10,126.18x = 52,593,957.48
  5. Step 5: Solve for x
    x = 52,593,957.48/10,126.18
  6. Step 6: Final answer
    x = 5,193.86

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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.