Home / 11,166.30-16,725.15-7,229.70

Finding the Fourth Proportional to 11,166.30, 16,725.15 and 7,229.70

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Solution

The fourth proportional to 11,166.30, 16,725.15 and 7,229.70 is: 10,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.30 : 16,725.15 = 7,229.70 : x
  2. Step 2: Convert to fraction form
    11,166.30/16,725.15 = 7,229.70/x
  3. Step 3: Cross multiply
    11,166.30x = 16,725.15 × 7,229.70
  4. Step 4: Simplify right side
    11,166.30x = 120,917,816.96
  5. Step 5: Solve for x
    x = 120,917,816.96/11,166.30
  6. Step 6: Final answer
    x = 10,828.82

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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.