Home / 11,539.18-17,311.20-3,747.38

Finding the Fourth Proportional to 11,539.18, 17,311.20 and 3,747.38

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Solution

The fourth proportional to 11,539.18, 17,311.20 and 3,747.38 is: 5,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.18 : 17,311.20 = 3,747.38 : x
  2. Step 2: Convert to fraction form
    11,539.18/17,311.20 = 3,747.38/x
  3. Step 3: Cross multiply
    11,539.18x = 17,311.20 × 3,747.38
  4. Step 4: Simplify right side
    11,539.18x = 64,871,644.66
  5. Step 5: Solve for x
    x = 64,871,644.66/11,539.18
  6. Step 6: Final answer
    x = 5,621.86

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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.