Home / 10,877.42-16,311.04-6,375.85

Finding the Fourth Proportional to 10,877.42, 16,311.04 and 6,375.85

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Solution

The fourth proportional to 10,877.42, 16,311.04 and 6,375.85 is: 9,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.42 : 16,311.04 = 6,375.85 : x
  2. Step 2: Convert to fraction form
    10,877.42/16,311.04 = 6,375.85/x
  3. Step 3: Cross multiply
    10,877.42x = 16,311.04 × 6,375.85
  4. Step 4: Simplify right side
    10,877.42x = 103,996,687.67
  5. Step 5: Solve for x
    x = 103,996,687.67/10,877.42
  6. Step 6: Final answer
    x = 9,560.78

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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.