Home / 11,190.20-16,796.10-5,649.80

Finding the Fourth Proportional to 11,190.20, 16,796.10 and 5,649.80

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Solution

The fourth proportional to 11,190.20, 16,796.10 and 5,649.80 is: 8,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.20 : 16,796.10 = 5,649.80 : x
  2. Step 2: Convert to fraction form
    11,190.20/16,796.10 = 5,649.80/x
  3. Step 3: Cross multiply
    11,190.20x = 16,796.10 × 5,649.80
  4. Step 4: Simplify right side
    11,190.20x = 94,894,605.78
  5. Step 5: Solve for x
    x = 94,894,605.78/11,190.20
  6. Step 6: Final answer
    x = 8,480.15

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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.