Home / 11,452.62-17,176.90-5,211.18

Finding the Fourth Proportional to 11,452.62, 17,176.90 and 5,211.18

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Solution

The fourth proportional to 11,452.62, 17,176.90 and 5,211.18 is: 7,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.62 : 17,176.90 = 5,211.18 : x
  2. Step 2: Convert to fraction form
    11,452.62/17,176.90 = 5,211.18/x
  3. Step 3: Cross multiply
    11,452.62x = 17,176.90 × 5,211.18
  4. Step 4: Simplify right side
    11,452.62x = 89,511,917.74
  5. Step 5: Solve for x
    x = 89,511,917.74/11,452.62
  6. Step 6: Final answer
    x = 7,815.85

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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.