Home / 11,717.97-16,153.98-8,354.96

Finding the Fourth Proportional to 11,717.97, 16,153.98 and 8,354.96

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Solution

The fourth proportional to 11,717.97, 16,153.98 and 8,354.96 is: 11,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.97 : 16,153.98 = 8,354.96 : x
  2. Step 2: Convert to fraction form
    11,717.97/16,153.98 = 8,354.96/x
  3. Step 3: Cross multiply
    11,717.97x = 16,153.98 × 8,354.96
  4. Step 4: Simplify right side
    11,717.97x = 134,965,775.97
  5. Step 5: Solve for x
    x = 134,965,775.97/11,717.97
  6. Step 6: Final answer
    x = 11,517.85

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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.