Home / 12,248.21-18,363.27-3,923.41

Finding the Fourth Proportional to 12,248.21, 18,363.27 and 3,923.41

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Solution

The fourth proportional to 12,248.21, 18,363.27 and 3,923.41 is: 5,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.21 : 18,363.27 = 3,923.41 : x
  2. Step 2: Convert to fraction form
    12,248.21/18,363.27 = 3,923.41/x
  3. Step 3: Cross multiply
    12,248.21x = 18,363.27 × 3,923.41
  4. Step 4: Simplify right side
    12,248.21x = 72,046,637.15
  5. Step 5: Solve for x
    x = 72,046,637.15/12,248.21
  6. Step 6: Final answer
    x = 5,882.22

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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.