Home / 7,972.65-11,954.19-3,042.66

Finding the Fourth Proportional to 7,972.65, 11,954.19 and 3,042.66

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Solution

The fourth proportional to 7,972.65, 11,954.19 and 3,042.66 is: 4,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.65 : 11,954.19 = 3,042.66 : x
  2. Step 2: Convert to fraction form
    7,972.65/11,954.19 = 3,042.66/x
  3. Step 3: Cross multiply
    7,972.65x = 11,954.19 × 3,042.66
  4. Step 4: Simplify right side
    7,972.65x = 36,372,535.75
  5. Step 5: Solve for x
    x = 36,372,535.75/7,972.65
  6. Step 6: Final answer
    x = 4,562.16

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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.