Home / 11,682.27-16,121.45-6,377.09

Finding the Fourth Proportional to 11,682.27, 16,121.45 and 6,377.09

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Solution

The fourth proportional to 11,682.27, 16,121.45 and 6,377.09 is: 8,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.27 : 16,121.45 = 6,377.09 : x
  2. Step 2: Convert to fraction form
    11,682.27/16,121.45 = 6,377.09/x
  3. Step 3: Cross multiply
    11,682.27x = 16,121.45 × 6,377.09
  4. Step 4: Simplify right side
    11,682.27x = 102,807,872.92
  5. Step 5: Solve for x
    x = 102,807,872.92/11,682.27
  6. Step 6: Final answer
    x = 8,800.33

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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.