Home / 10,046.28-15,069.22-3,120.76

Finding the Fourth Proportional to 10,046.28, 15,069.22 and 3,120.76

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Solution

The fourth proportional to 10,046.28, 15,069.22 and 3,120.76 is: 4,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,046.28 : 15,069.22 = 3,120.76 : x
  2. Step 2: Convert to fraction form
    10,046.28/15,069.22 = 3,120.76/x
  3. Step 3: Cross multiply
    10,046.28x = 15,069.22 × 3,120.76
  4. Step 4: Simplify right side
    10,046.28x = 47,027,419.01
  5. Step 5: Solve for x
    x = 47,027,419.01/10,046.28
  6. Step 6: Final answer
    x = 4,681.08

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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.