Home / 11,882.80-16,395.01-8,056.29

Finding the Fourth Proportional to 11,882.80, 16,395.01 and 8,056.29

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Solution

The fourth proportional to 11,882.80, 16,395.01 and 8,056.29 is: 11,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.80 : 16,395.01 = 8,056.29 : x
  2. Step 2: Convert to fraction form
    11,882.80/16,395.01 = 8,056.29/x
  3. Step 3: Cross multiply
    11,882.80x = 16,395.01 × 8,056.29
  4. Step 4: Simplify right side
    11,882.80x = 132,082,996.45
  5. Step 5: Solve for x
    x = 132,082,996.45/11,882.80
  6. Step 6: Final answer
    x = 11,115.48

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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.