Home / 11,311.38-16,965.24-8,014.48

Finding the Fourth Proportional to 11,311.38, 16,965.24 and 8,014.48

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Solution

The fourth proportional to 11,311.38, 16,965.24 and 8,014.48 is: 12,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.38 : 16,965.24 = 8,014.48 : x
  2. Step 2: Convert to fraction form
    11,311.38/16,965.24 = 8,014.48/x
  3. Step 3: Cross multiply
    11,311.38x = 16,965.24 × 8,014.48
  4. Step 4: Simplify right side
    11,311.38x = 135,967,576.68
  5. Step 5: Solve for x
    x = 135,967,576.68/11,311.38
  6. Step 6: Final answer
    x = 12,020.42

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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.