Home / 11,539.42-17,311.56-3,753.70

Finding the Fourth Proportional to 11,539.42, 17,311.56 and 3,753.70

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Solution

The fourth proportional to 11,539.42, 17,311.56 and 3,753.70 is: 5,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.42 : 17,311.56 = 3,753.70 : x
  2. Step 2: Convert to fraction form
    11,539.42/17,311.56 = 3,753.70/x
  3. Step 3: Cross multiply
    11,539.42x = 17,311.56 × 3,753.70
  4. Step 4: Simplify right side
    11,539.42x = 64,982,402.77
  5. Step 5: Solve for x
    x = 64,982,402.77/11,539.42
  6. Step 6: Final answer
    x = 5,631.34

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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.