Home / 8,227.85-11,354.39-4,451.02

Finding the Fourth Proportional to 8,227.85, 11,354.39 and 4,451.02

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Solution

The fourth proportional to 8,227.85, 11,354.39 and 4,451.02 is: 6,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.85 : 11,354.39 = 4,451.02 : x
  2. Step 2: Convert to fraction form
    8,227.85/11,354.39 = 4,451.02/x
  3. Step 3: Cross multiply
    8,227.85x = 11,354.39 × 4,451.02
  4. Step 4: Simplify right side
    8,227.85x = 50,538,616.98
  5. Step 5: Solve for x
    x = 50,538,616.98/8,227.85
  6. Step 6: Final answer
    x = 6,142.38

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Half scale
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Double scale
Find fourth proportional to 8,228.85, 11,355.77 and 4,452.02
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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.