Home / 11,247.50-16,862.10-4,223.60

Finding the Fourth Proportional to 11,247.50, 16,862.10 and 4,223.60

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Solution

The fourth proportional to 11,247.50, 16,862.10 and 4,223.60 is: 6,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.50 : 16,862.10 = 4,223.60 : x
  2. Step 2: Convert to fraction form
    11,247.50/16,862.10 = 4,223.60/x
  3. Step 3: Cross multiply
    11,247.50x = 16,862.10 × 4,223.60
  4. Step 4: Simplify right side
    11,247.50x = 71,218,765.56
  5. Step 5: Solve for x
    x = 71,218,765.56/11,247.50
  6. Step 6: Final answer
    x = 6,331.96

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1.5x scale

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.