Home / 7,692.68-11,537.97-2,761.61

Finding the Fourth Proportional to 7,692.68, 11,537.97 and 2,761.61

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Solution

The fourth proportional to 7,692.68, 11,537.97 and 2,761.61 is: 4,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.68 : 11,537.97 = 2,761.61 : x
  2. Step 2: Convert to fraction form
    7,692.68/11,537.97 = 2,761.61/x
  3. Step 3: Cross multiply
    7,692.68x = 11,537.97 × 2,761.61
  4. Step 4: Simplify right side
    7,692.68x = 31,863,373.33
  5. Step 5: Solve for x
    x = 31,863,373.33/7,692.68
  6. Step 6: Final answer
    x = 4,142.04

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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.