Home / 12,396.92-18,595.17-5,818.43

Finding the Fourth Proportional to 12,396.92, 18,595.17 and 5,818.43

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Solution

The fourth proportional to 12,396.92, 18,595.17 and 5,818.43 is: 8,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.92 : 18,595.17 = 5,818.43 : x
  2. Step 2: Convert to fraction form
    12,396.92/18,595.17 = 5,818.43/x
  3. Step 3: Cross multiply
    12,396.92x = 18,595.17 × 5,818.43
  4. Step 4: Simplify right side
    12,396.92x = 108,194,741.47
  5. Step 5: Solve for x
    x = 108,194,741.47/12,396.92
  6. Step 6: Final answer
    x = 8,727.55

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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.