Home / 8,817.17-13,221.41-4,369.73

Finding the Fourth Proportional to 8,817.17, 13,221.41 and 4,369.73

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Solution

The fourth proportional to 8,817.17, 13,221.41 and 4,369.73 is: 6,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.17 : 13,221.41 = 4,369.73 : x
  2. Step 2: Convert to fraction form
    8,817.17/13,221.41 = 4,369.73/x
  3. Step 3: Cross multiply
    8,817.17x = 13,221.41 × 4,369.73
  4. Step 4: Simplify right side
    8,817.17x = 57,773,903.96
  5. Step 5: Solve for x
    x = 57,773,903.96/8,817.17
  6. Step 6: Final answer
    x = 6,552.44

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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.