Home / 11,450.30-17,175.45-7,951.10

Finding the Fourth Proportional to 11,450.30, 17,175.45 and 7,951.10

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Solution

The fourth proportional to 11,450.30, 17,175.45 and 7,951.10 is: 11,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.30 : 17,175.45 = 7,951.10 : x
  2. Step 2: Convert to fraction form
    11,450.30/17,175.45 = 7,951.10/x
  3. Step 3: Cross multiply
    11,450.30x = 17,175.45 × 7,951.10
  4. Step 4: Simplify right side
    11,450.30x = 136,563,720.50
  5. Step 5: Solve for x
    x = 136,563,720.50/11,450.30
  6. Step 6: Final answer
    x = 11,926.65

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Double scale
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Similar ratio
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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.