Home / 7,972.93-11,959.89-2,426.68

Finding the Fourth Proportional to 7,972.93, 11,959.89 and 2,426.68

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Solution

The fourth proportional to 7,972.93, 11,959.89 and 2,426.68 is: 3,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.93 : 11,959.89 = 2,426.68 : x
  2. Step 2: Convert to fraction form
    7,972.93/11,959.89 = 2,426.68/x
  3. Step 3: Cross multiply
    7,972.93x = 11,959.89 × 2,426.68
  4. Step 4: Simplify right side
    7,972.93x = 29,022,825.87
  5. Step 5: Solve for x
    x = 29,022,825.87/7,972.93
  6. Step 6: Final answer
    x = 3,640.17

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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.