Home / 10,101.11-15,159.38-5,170.32

Finding the Fourth Proportional to 10,101.11, 15,159.38 and 5,170.32

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Solution

The fourth proportional to 10,101.11, 15,159.38 and 5,170.32 is: 7,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.11 : 15,159.38 = 5,170.32 : x
  2. Step 2: Convert to fraction form
    10,101.11/15,159.38 = 5,170.32/x
  3. Step 3: Cross multiply
    10,101.11x = 15,159.38 × 5,170.32
  4. Step 4: Simplify right side
    10,101.11x = 78,378,819.75
  5. Step 5: Solve for x
    x = 78,378,819.75/10,101.11
  6. Step 6: Final answer
    x = 7,759.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.