Home / 10,997.38-15,176.19-6,281.02

Finding the Fourth Proportional to 10,997.38, 15,176.19 and 6,281.02

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Solution

The fourth proportional to 10,997.38, 15,176.19 and 6,281.02 is: 8,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.38 : 15,176.19 = 6,281.02 : x
  2. Step 2: Convert to fraction form
    10,997.38/15,176.19 = 6,281.02/x
  3. Step 3: Cross multiply
    10,997.38x = 15,176.19 × 6,281.02
  4. Step 4: Simplify right side
    10,997.38x = 95,321,952.91
  5. Step 5: Solve for x
    x = 95,321,952.91/10,997.38
  6. Step 6: Final answer
    x = 8,667.70

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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.