Home / 8,794.40-13,191.62-2,220.53

Finding the Fourth Proportional to 8,794.40, 13,191.62 and 2,220.53

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Solution

The fourth proportional to 8,794.40, 13,191.62 and 2,220.53 is: 3,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.40 : 13,191.62 = 2,220.53 : x
  2. Step 2: Convert to fraction form
    8,794.40/13,191.62 = 2,220.53/x
  3. Step 3: Cross multiply
    8,794.40x = 13,191.62 × 2,220.53
  4. Step 4: Simplify right side
    8,794.40x = 29,292,310.90
  5. Step 5: Solve for x
    x = 29,292,310.90/8,794.40
  6. Step 6: Final answer
    x = 3,330.79

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Double scale
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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.