Home / 12,497.29-18,748.10-4,176.43

Finding the Fourth Proportional to 12,497.29, 18,748.10 and 4,176.43

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Solution

The fourth proportional to 12,497.29, 18,748.10 and 4,176.43 is: 6,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.29 : 18,748.10 = 4,176.43 : x
  2. Step 2: Convert to fraction form
    12,497.29/18,748.10 = 4,176.43/x
  3. Step 3: Cross multiply
    12,497.29x = 18,748.10 × 4,176.43
  4. Step 4: Simplify right side
    12,497.29x = 78,300,127.28
  5. Step 5: Solve for x
    x = 78,300,127.28/12,497.29
  6. Step 6: Final answer
    x = 6,265.37

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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.