Home / 8,012.72-11,057.78-4,475.66

Finding the Fourth Proportional to 8,012.72, 11,057.78 and 4,475.66

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Solution

The fourth proportional to 8,012.72, 11,057.78 and 4,475.66 is: 6,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.72 : 11,057.78 = 4,475.66 : x
  2. Step 2: Convert to fraction form
    8,012.72/11,057.78 = 4,475.66/x
  3. Step 3: Cross multiply
    8,012.72x = 11,057.78 × 4,475.66
  4. Step 4: Simplify right side
    8,012.72x = 49,490,819.54
  5. Step 5: Solve for x
    x = 49,490,819.54/8,012.72
  6. Step 6: Final answer
    x = 6,176.53

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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.