Home / 7,972.29-11,933.73-6,791.31

Finding the Fourth Proportional to 7,972.29, 11,933.73 and 6,791.31

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Solution

The fourth proportional to 7,972.29, 11,933.73 and 6,791.31 is: 10,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.29 : 11,933.73 = 6,791.31 : x
  2. Step 2: Convert to fraction form
    7,972.29/11,933.73 = 6,791.31/x
  3. Step 3: Cross multiply
    7,972.29x = 11,933.73 × 6,791.31
  4. Step 4: Simplify right side
    7,972.29x = 81,045,659.89
  5. Step 5: Solve for x
    x = 81,045,659.89/7,972.29
  6. Step 6: Final answer
    x = 10,165.92

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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.