Home / 7,918.26-11,874.05-2,372.39

Finding the Fourth Proportional to 7,918.26, 11,874.05 and 2,372.39

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Solution

The fourth proportional to 7,918.26, 11,874.05 and 2,372.39 is: 3,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.26 : 11,874.05 = 2,372.39 : x
  2. Step 2: Convert to fraction form
    7,918.26/11,874.05 = 2,372.39/x
  3. Step 3: Cross multiply
    7,918.26x = 11,874.05 × 2,372.39
  4. Step 4: Simplify right side
    7,918.26x = 28,169,865.62
  5. Step 5: Solve for x
    x = 28,169,865.62/7,918.26
  6. Step 6: Final answer
    x = 3,557.58

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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.