Home / 10,856.16-16,251.84-9,729.60

Finding the Fourth Proportional to 10,856.16, 16,251.84 and 9,729.60

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Solution

The fourth proportional to 10,856.16, 16,251.84 and 9,729.60 is: 14,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.16 : 16,251.84 = 9,729.60 : x
  2. Step 2: Convert to fraction form
    10,856.16/16,251.84 = 9,729.60/x
  3. Step 3: Cross multiply
    10,856.16x = 16,251.84 × 9,729.60
  4. Step 4: Simplify right side
    10,856.16x = 158,123,902.46
  5. Step 5: Solve for x
    x = 158,123,902.46/10,856.16
  6. Step 6: Final answer
    x = 14,565.36

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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.