Home / 11,449.85-17,180.63-5,452.71

Finding the Fourth Proportional to 11,449.85, 17,180.63 and 5,452.71

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Solution

The fourth proportional to 11,449.85, 17,180.63 and 5,452.71 is: 8,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.85 : 17,180.63 = 5,452.71 : x
  2. Step 2: Convert to fraction form
    11,449.85/17,180.63 = 5,452.71/x
  3. Step 3: Cross multiply
    11,449.85x = 17,180.63 × 5,452.71
  4. Step 4: Simplify right side
    11,449.85x = 93,680,965.74
  5. Step 5: Solve for x
    x = 93,680,965.74/11,449.85
  6. Step 6: Final answer
    x = 8,181.85

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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.