Home / 10,967.52-15,134.24-6,490.88

Finding the Fourth Proportional to 10,967.52, 15,134.24 and 6,490.88

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Solution

The fourth proportional to 10,967.52, 15,134.24 and 6,490.88 is: 8,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.52 : 15,134.24 = 6,490.88 : x
  2. Step 2: Convert to fraction form
    10,967.52/15,134.24 = 6,490.88/x
  3. Step 3: Cross multiply
    10,967.52x = 15,134.24 × 6,490.88
  4. Step 4: Simplify right side
    10,967.52x = 98,234,535.73
  5. Step 5: Solve for x
    x = 98,234,535.73/10,967.52
  6. Step 6: Final answer
    x = 8,956.86

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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.