Home / 9,605.76-14,400.96-3,761.28

Finding the Fourth Proportional to 9,605.76, 14,400.96 and 3,761.28

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Solution

The fourth proportional to 9,605.76, 14,400.96 and 3,761.28 is: 5,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.76 : 14,400.96 = 3,761.28 : x
  2. Step 2: Convert to fraction form
    9,605.76/14,400.96 = 3,761.28/x
  3. Step 3: Cross multiply
    9,605.76x = 14,400.96 × 3,761.28
  4. Step 4: Simplify right side
    9,605.76x = 54,166,042.83
  5. Step 5: Solve for x
    x = 54,166,042.83/9,605.76
  6. Step 6: Final answer
    x = 5,638.91

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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.