Home / 10,227.72-15,341.58-4,380.54

Finding the Fourth Proportional to 10,227.72, 15,341.58 and 4,380.54

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Solution

The fourth proportional to 10,227.72, 15,341.58 and 4,380.54 is: 6,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.72 : 15,341.58 = 4,380.54 : x
  2. Step 2: Convert to fraction form
    10,227.72/15,341.58 = 4,380.54/x
  3. Step 3: Cross multiply
    10,227.72x = 15,341.58 × 4,380.54
  4. Step 4: Simplify right side
    10,227.72x = 67,204,404.85
  5. Step 5: Solve for x
    x = 67,204,404.85/10,227.72
  6. Step 6: Final answer
    x = 6,570.81

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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.