Home / 11,995.20-16,560.36-8,022.96

Finding the Fourth Proportional to 11,995.20, 16,560.36 and 8,022.96

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Solution

The fourth proportional to 11,995.20, 16,560.36 and 8,022.96 is: 11,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.20 : 16,560.36 = 8,022.96 : x
  2. Step 2: Convert to fraction form
    11,995.20/16,560.36 = 8,022.96/x
  3. Step 3: Cross multiply
    11,995.20x = 16,560.36 × 8,022.96
  4. Step 4: Simplify right side
    11,995.20x = 132,863,105.87
  5. Step 5: Solve for x
    x = 132,863,105.87/11,995.20
  6. Step 6: Final answer
    x = 11,076.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.