Home / 8,015.24-11,059.68-4,478.48

Finding the Fourth Proportional to 8,015.24, 11,059.68 and 4,478.48

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Solution

The fourth proportional to 8,015.24, 11,059.68 and 4,478.48 is: 6,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.24 : 11,059.68 = 4,478.48 : x
  2. Step 2: Convert to fraction form
    8,015.24/11,059.68 = 4,478.48/x
  3. Step 3: Cross multiply
    8,015.24x = 11,059.68 × 4,478.48
  4. Step 4: Simplify right side
    8,015.24x = 49,530,555.69
  5. Step 5: Solve for x
    x = 49,530,555.69/8,015.24
  6. Step 6: Final answer
    x = 6,179.55

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Half scale
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Similar ratio
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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.