Home / 6,911.52-10,372.68-2,531.76

Finding the Fourth Proportional to 6,911.52, 10,372.68 and 2,531.76

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Solution

The fourth proportional to 6,911.52, 10,372.68 and 2,531.76 is: 3,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.52 : 10,372.68 = 2,531.76 : x
  2. Step 2: Convert to fraction form
    6,911.52/10,372.68 = 2,531.76/x
  3. Step 3: Cross multiply
    6,911.52x = 10,372.68 × 2,531.76
  4. Step 4: Simplify right side
    6,911.52x = 26,261,136.32
  5. Step 5: Solve for x
    x = 26,261,136.32/6,911.52
  6. Step 6: Final answer
    x = 3,799.62

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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.