Home / 11,247.66-16,871.52-3,456.42

Finding the Fourth Proportional to 11,247.66, 16,871.52 and 3,456.42

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Solution

The fourth proportional to 11,247.66, 16,871.52 and 3,456.42 is: 5,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.66 : 16,871.52 = 3,456.42 : x
  2. Step 2: Convert to fraction form
    11,247.66/16,871.52 = 3,456.42/x
  3. Step 3: Cross multiply
    11,247.66x = 16,871.52 × 3,456.42
  4. Step 4: Simplify right side
    11,247.66x = 58,315,059.16
  5. Step 5: Solve for x
    x = 58,315,059.16/11,247.66
  6. Step 6: Final answer
    x = 5,184.64

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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.