Home / 11,187.12-16,761.24-5,983.68

Finding the Fourth Proportional to 11,187.12, 16,761.24 and 5,983.68

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Solution

The fourth proportional to 11,187.12, 16,761.24 and 5,983.68 is: 8,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.12 : 16,761.24 = 5,983.68 : x
  2. Step 2: Convert to fraction form
    11,187.12/16,761.24 = 5,983.68/x
  3. Step 3: Cross multiply
    11,187.12x = 16,761.24 × 5,983.68
  4. Step 4: Simplify right side
    11,187.12x = 100,293,896.56
  5. Step 5: Solve for x
    x = 100,293,896.56/11,187.12
  6. Step 6: Final answer
    x = 8,965.12

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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.