Home / 10,001.68-15,002.52-3,427.92

Finding the Fourth Proportional to 10,001.68, 15,002.52 and 3,427.92

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Solution

The fourth proportional to 10,001.68, 15,002.52 and 3,427.92 is: 5,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.68 : 15,002.52 = 3,427.92 : x
  2. Step 2: Convert to fraction form
    10,001.68/15,002.52 = 3,427.92/x
  3. Step 3: Cross multiply
    10,001.68x = 15,002.52 × 3,427.92
  4. Step 4: Simplify right side
    10,001.68x = 51,427,425.50
  5. Step 5: Solve for x
    x = 51,427,425.50/10,001.68
  6. Step 6: Final answer
    x = 5,141.88

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1.5x scale

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.