Home / 9,910.62-13,671.45-5,930.55

Finding the Fourth Proportional to 9,910.62, 13,671.45 and 5,930.55

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Solution

The fourth proportional to 9,910.62, 13,671.45 and 5,930.55 is: 8,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.62 : 13,671.45 = 5,930.55 : x
  2. Step 2: Convert to fraction form
    9,910.62/13,671.45 = 5,930.55/x
  3. Step 3: Cross multiply
    9,910.62x = 13,671.45 × 5,930.55
  4. Step 4: Simplify right side
    9,910.62x = 81,079,217.80
  5. Step 5: Solve for x
    x = 81,079,217.80/9,910.62
  6. Step 6: Final answer
    x = 8,181.04

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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.