Home / 9,091.66-13,638.28-2,517.82

Finding the Fourth Proportional to 9,091.66, 13,638.28 and 2,517.82

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Solution

The fourth proportional to 9,091.66, 13,638.28 and 2,517.82 is: 3,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.66 : 13,638.28 = 2,517.82 : x
  2. Step 2: Convert to fraction form
    9,091.66/13,638.28 = 2,517.82/x
  3. Step 3: Cross multiply
    9,091.66x = 13,638.28 × 2,517.82
  4. Step 4: Simplify right side
    9,091.66x = 34,338,734.15
  5. Step 5: Solve for x
    x = 34,338,734.15/9,091.66
  6. Step 6: Final answer
    x = 3,776.95

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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.