Home / 8,766.09-13,149.13-2,922.70

Finding the Fourth Proportional to 8,766.09, 13,149.13 and 2,922.70

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Solution

The fourth proportional to 8,766.09, 13,149.13 and 2,922.70 is: 4,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.09 : 13,149.13 = 2,922.70 : x
  2. Step 2: Convert to fraction form
    8,766.09/13,149.13 = 2,922.70/x
  3. Step 3: Cross multiply
    8,766.09x = 13,149.13 × 2,922.70
  4. Step 4: Simplify right side
    8,766.09x = 38,430,962.25
  5. Step 5: Solve for x
    x = 38,430,962.25/8,766.09
  6. Step 6: Final answer
    x = 4,384.05

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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.