Home / 10,375.14-15,560.40-3,355.76

Finding the Fourth Proportional to 10,375.14, 15,560.40 and 3,355.76

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Solution

The fourth proportional to 10,375.14, 15,560.40 and 3,355.76 is: 5,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.14 : 15,560.40 = 3,355.76 : x
  2. Step 2: Convert to fraction form
    10,375.14/15,560.40 = 3,355.76/x
  3. Step 3: Cross multiply
    10,375.14x = 15,560.40 × 3,355.76
  4. Step 4: Simplify right side
    10,375.14x = 52,216,967.90
  5. Step 5: Solve for x
    x = 52,216,967.90/10,375.14
  6. Step 6: Final answer
    x = 5,032.89

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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.