Home / 8,766.73-13,155.84-3,220.12

Finding the Fourth Proportional to 8,766.73, 13,155.84 and 3,220.12

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Solution

The fourth proportional to 8,766.73, 13,155.84 and 3,220.12 is: 4,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.73 : 13,155.84 = 3,220.12 : x
  2. Step 2: Convert to fraction form
    8,766.73/13,155.84 = 3,220.12/x
  3. Step 3: Cross multiply
    8,766.73x = 13,155.84 × 3,220.12
  4. Step 4: Simplify right side
    8,766.73x = 42,363,301.62
  5. Step 5: Solve for x
    x = 42,363,301.62/8,766.73
  6. Step 6: Final answer
    x = 4,832.28

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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.