Home / 7,974.35-11,962.82-2,426.39

Finding the Fourth Proportional to 7,974.35, 11,962.82 and 2,426.39

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Solution

The fourth proportional to 7,974.35, 11,962.82 and 2,426.39 is: 3,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.35 : 11,962.82 = 2,426.39 : x
  2. Step 2: Convert to fraction form
    7,974.35/11,962.82 = 2,426.39/x
  3. Step 3: Cross multiply
    7,974.35x = 11,962.82 × 2,426.39
  4. Step 4: Simplify right side
    7,974.35x = 29,026,424.78
  5. Step 5: Solve for x
    x = 29,026,424.78/7,974.35
  6. Step 6: Final answer
    x = 3,639.97

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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.