Home / 11,677.14-16,114.50-6,371.91

Finding the Fourth Proportional to 11,677.14, 16,114.50 and 6,371.91

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Solution

The fourth proportional to 11,677.14, 16,114.50 and 6,371.91 is: 8,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.14 : 16,114.50 = 6,371.91 : x
  2. Step 2: Convert to fraction form
    11,677.14/16,114.50 = 6,371.91/x
  3. Step 3: Cross multiply
    11,677.14x = 16,114.50 × 6,371.91
  4. Step 4: Simplify right side
    11,677.14x = 102,680,143.70
  5. Step 5: Solve for x
    x = 102,680,143.70/11,677.14
  6. Step 6: Final answer
    x = 8,793.26

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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.