Home / 9,132.90-13,687.20-6,532.80

Finding the Fourth Proportional to 9,132.90, 13,687.20 and 6,532.80

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Solution

The fourth proportional to 9,132.90, 13,687.20 and 6,532.80 is: 9,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.90 : 13,687.20 = 6,532.80 : x
  2. Step 2: Convert to fraction form
    9,132.90/13,687.20 = 6,532.80/x
  3. Step 3: Cross multiply
    9,132.90x = 13,687.20 × 6,532.80
  4. Step 4: Simplify right side
    9,132.90x = 89,415,740.16
  5. Step 5: Solve for x
    x = 89,415,740.16/9,132.90
  6. Step 6: Final answer
    x = 9,790.51

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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.