Home / 11,725.92-16,180.27-6,689.85

Finding the Fourth Proportional to 11,725.92, 16,180.27 and 6,689.85

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Solution

The fourth proportional to 11,725.92, 16,180.27 and 6,689.85 is: 9,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.92 : 16,180.27 = 6,689.85 : x
  2. Step 2: Convert to fraction form
    11,725.92/16,180.27 = 6,689.85/x
  3. Step 3: Cross multiply
    11,725.92x = 16,180.27 × 6,689.85
  4. Step 4: Simplify right side
    11,725.92x = 108,243,562.53
  5. Step 5: Solve for x
    x = 108,243,562.53/11,725.92
  6. Step 6: Final answer
    x = 9,231.14

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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.