Home / 10,981.13-16,471.96-3,961.73

Finding the Fourth Proportional to 10,981.13, 16,471.96 and 3,961.73

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Solution

The fourth proportional to 10,981.13, 16,471.96 and 3,961.73 is: 5,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.13 : 16,471.96 = 3,961.73 : x
  2. Step 2: Convert to fraction form
    10,981.13/16,471.96 = 3,961.73/x
  3. Step 3: Cross multiply
    10,981.13x = 16,471.96 × 3,961.73
  4. Step 4: Simplify right side
    10,981.13x = 65,257,489.37
  5. Step 5: Solve for x
    x = 65,257,489.37/10,981.13
  6. Step 6: Final answer
    x = 5,942.70

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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.