Home / 10,876.62-16,318.80-6,711.78

Finding the Fourth Proportional to 10,876.62, 16,318.80 and 6,711.78

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Solution

The fourth proportional to 10,876.62, 16,318.80 and 6,711.78 is: 10,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.62 : 16,318.80 = 6,711.78 : x
  2. Step 2: Convert to fraction form
    10,876.62/16,318.80 = 6,711.78/x
  3. Step 3: Cross multiply
    10,876.62x = 16,318.80 × 6,711.78
  4. Step 4: Simplify right side
    10,876.62x = 109,528,195.46
  5. Step 5: Solve for x
    x = 109,528,195.46/10,876.62
  6. Step 6: Final answer
    x = 10,070.06

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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.