Home / 11,491.23-17,245.35-10,745.22

Finding the Fourth Proportional to 11,491.23, 17,245.35 and 10,745.22

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Solution

The fourth proportional to 11,491.23, 17,245.35 and 10,745.22 is: 16,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.23 : 17,245.35 = 10,745.22 : x
  2. Step 2: Convert to fraction form
    11,491.23/17,245.35 = 10,745.22/x
  3. Step 3: Cross multiply
    11,491.23x = 17,245.35 × 10,745.22
  4. Step 4: Simplify right side
    11,491.23x = 185,305,079.73
  5. Step 5: Solve for x
    x = 185,305,079.73/11,491.23
  6. Step 6: Final answer
    x = 16,125.78

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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.