Home / 8,968.20-13,452.30-5,687.70

Finding the Fourth Proportional to 8,968.20, 13,452.30 and 5,687.70

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Solution

The fourth proportional to 8,968.20, 13,452.30 and 5,687.70 is: 8,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.20 : 13,452.30 = 5,687.70 : x
  2. Step 2: Convert to fraction form
    8,968.20/13,452.30 = 5,687.70/x
  3. Step 3: Cross multiply
    8,968.20x = 13,452.30 × 5,687.70
  4. Step 4: Simplify right side
    8,968.20x = 76,512,646.71
  5. Step 5: Solve for x
    x = 76,512,646.71/8,968.20
  6. Step 6: Final answer
    x = 8,531.55

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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.