Home / 10,793.85-16,181.16-4,218.54

Finding the Fourth Proportional to 10,793.85, 16,181.16 and 4,218.54

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Solution

The fourth proportional to 10,793.85, 16,181.16 and 4,218.54 is: 6,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.85 : 16,181.16 = 4,218.54 : x
  2. Step 2: Convert to fraction form
    10,793.85/16,181.16 = 4,218.54/x
  3. Step 3: Cross multiply
    10,793.85x = 16,181.16 × 4,218.54
  4. Step 4: Simplify right side
    10,793.85x = 68,260,789.80
  5. Step 5: Solve for x
    x = 68,260,789.80/10,793.85
  6. Step 6: Final answer
    x = 6,324.05

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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.