Home / 10,115.20-13,972.26-7,753.24

Finding the Fourth Proportional to 10,115.20, 13,972.26 and 7,753.24

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Solution

The fourth proportional to 10,115.20, 13,972.26 and 7,753.24 is: 10,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.20 : 13,972.26 = 7,753.24 : x
  2. Step 2: Convert to fraction form
    10,115.20/13,972.26 = 7,753.24/x
  3. Step 3: Cross multiply
    10,115.20x = 13,972.26 × 7,753.24
  4. Step 4: Simplify right side
    10,115.20x = 108,330,285.12
  5. Step 5: Solve for x
    x = 108,330,285.12/10,115.20
  6. Step 6: Final answer
    x = 10,709.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.