Home / 11,255.70-16,871.97-4,234.41

Finding the Fourth Proportional to 11,255.70, 16,871.97 and 4,234.41

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Solution

The fourth proportional to 11,255.70, 16,871.97 and 4,234.41 is: 6,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.70 : 16,871.97 = 4,234.41 : x
  2. Step 2: Convert to fraction form
    11,255.70/16,871.97 = 4,234.41/x
  3. Step 3: Cross multiply
    11,255.70x = 16,871.97 × 4,234.41
  4. Step 4: Simplify right side
    11,255.70x = 71,442,838.49
  5. Step 5: Solve for x
    x = 71,442,838.49/11,255.70
  6. Step 6: Final answer
    x = 6,347.26

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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.