Home / 11,182.68-16,778.10-5,917.98

Finding the Fourth Proportional to 11,182.68, 16,778.10 and 5,917.98

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Solution

The fourth proportional to 11,182.68, 16,778.10 and 5,917.98 is: 8,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.68 : 16,778.10 = 5,917.98 : x
  2. Step 2: Convert to fraction form
    11,182.68/16,778.10 = 5,917.98/x
  3. Step 3: Cross multiply
    11,182.68x = 16,778.10 × 5,917.98
  4. Step 4: Simplify right side
    11,182.68x = 99,292,460.24
  5. Step 5: Solve for x
    x = 99,292,460.24/11,182.68
  6. Step 6: Final answer
    x = 8,879.13

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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.