Home / 11,273.45-16,912.30-3,480.44

Finding the Fourth Proportional to 11,273.45, 16,912.30 and 3,480.44

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Solution

The fourth proportional to 11,273.45, 16,912.30 and 3,480.44 is: 5,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.45 : 16,912.30 = 3,480.44 : x
  2. Step 2: Convert to fraction form
    11,273.45/16,912.30 = 3,480.44/x
  3. Step 3: Cross multiply
    11,273.45x = 16,912.30 × 3,480.44
  4. Step 4: Simplify right side
    11,273.45x = 58,862,245.41
  5. Step 5: Solve for x
    x = 58,862,245.41/11,273.45
  6. Step 6: Final answer
    x = 5,221.32

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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.