Home / 12,261.13-18,391.86-3,496.04

Finding the Fourth Proportional to 12,261.13, 18,391.86 and 3,496.04

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Solution

The fourth proportional to 12,261.13, 18,391.86 and 3,496.04 is: 5,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.13 : 18,391.86 = 3,496.04 : x
  2. Step 2: Convert to fraction form
    12,261.13/18,391.86 = 3,496.04/x
  3. Step 3: Cross multiply
    12,261.13x = 18,391.86 × 3,496.04
  4. Step 4: Simplify right side
    12,261.13x = 64,298,732.95
  5. Step 5: Solve for x
    x = 64,298,732.95/12,261.13
  6. Step 6: Final answer
    x = 5,244.11

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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.