Home / 10,967.20-15,134.65-6,251.38

Finding the Fourth Proportional to 10,967.20, 15,134.65 and 6,251.38

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Solution

The fourth proportional to 10,967.20, 15,134.65 and 6,251.38 is: 8,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.20 : 15,134.65 = 6,251.38 : x
  2. Step 2: Convert to fraction form
    10,967.20/15,134.65 = 6,251.38/x
  3. Step 3: Cross multiply
    10,967.20x = 15,134.65 × 6,251.38
  4. Step 4: Simplify right side
    10,967.20x = 94,612,394.85
  5. Step 5: Solve for x
    x = 94,612,394.85/10,967.20
  6. Step 6: Final answer
    x = 8,626.85

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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.