Home / 7,692.26-11,543.28-2,761.78

Finding the Fourth Proportional to 7,692.26, 11,543.28 and 2,761.78

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Solution

The fourth proportional to 7,692.26, 11,543.28 and 2,761.78 is: 4,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.26 : 11,543.28 = 2,761.78 : x
  2. Step 2: Convert to fraction form
    7,692.26/11,543.28 = 2,761.78/x
  3. Step 3: Cross multiply
    7,692.26x = 11,543.28 × 2,761.78
  4. Step 4: Simplify right side
    7,692.26x = 31,879,999.84
  5. Step 5: Solve for x
    x = 31,879,999.84/7,692.26
  6. Step 6: Final answer
    x = 4,144.43

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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.