Home / 10,088.28-15,132.44-3,512.72

Finding the Fourth Proportional to 10,088.28, 15,132.44 and 3,512.72

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Solution

The fourth proportional to 10,088.28, 15,132.44 and 3,512.72 is: 5,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.28 : 15,132.44 = 3,512.72 : x
  2. Step 2: Convert to fraction form
    10,088.28/15,132.44 = 3,512.72/x
  3. Step 3: Cross multiply
    10,088.28x = 15,132.44 × 3,512.72
  4. Step 4: Simplify right side
    10,088.28x = 53,156,024.64
  5. Step 5: Solve for x
    x = 53,156,024.64/10,088.28
  6. Step 6: Final answer
    x = 5,269.09

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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.