Home / 11,221.75-16,832.63-3,013.75

Finding the Fourth Proportional to 11,221.75, 16,832.63 and 3,013.75

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Solution

The fourth proportional to 11,221.75, 16,832.63 and 3,013.75 is: 4,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.75 : 16,832.63 = 3,013.75 : x
  2. Step 2: Convert to fraction form
    11,221.75/16,832.63 = 3,013.75/x
  3. Step 3: Cross multiply
    11,221.75x = 16,832.63 × 3,013.75
  4. Step 4: Simplify right side
    11,221.75x = 50,729,338.66
  5. Step 5: Solve for x
    x = 50,729,338.66/11,221.75
  6. Step 6: Final answer
    x = 4,520.63

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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.