Home / 11,037.38-15,231.92-6,257.21

Finding the Fourth Proportional to 11,037.38, 15,231.92 and 6,257.21

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Solution

The fourth proportional to 11,037.38, 15,231.92 and 6,257.21 is: 8,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.38 : 15,231.92 = 6,257.21 : x
  2. Step 2: Convert to fraction form
    11,037.38/15,231.92 = 6,257.21/x
  3. Step 3: Cross multiply
    11,037.38x = 15,231.92 × 6,257.21
  4. Step 4: Simplify right side
    11,037.38x = 95,309,214.70
  5. Step 5: Solve for x
    x = 95,309,214.70/11,037.38
  6. Step 6: Final answer
    x = 8,635.13

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1.5x scale

Why These Related Problems?

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