Home / 12,251.61-18,371.97-3,484.53

Finding the Fourth Proportional to 12,251.61, 18,371.97 and 3,484.53

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Solution

The fourth proportional to 12,251.61, 18,371.97 and 3,484.53 is: 5,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.61 : 18,371.97 = 3,484.53 : x
  2. Step 2: Convert to fraction form
    12,251.61/18,371.97 = 3,484.53/x
  3. Step 3: Cross multiply
    12,251.61x = 18,371.97 × 3,484.53
  4. Step 4: Simplify right side
    12,251.61x = 64,017,680.62
  5. Step 5: Solve for x
    x = 64,017,680.62/12,251.61
  6. Step 6: Final answer
    x = 5,225.25

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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.