Home / 11,020.37-16,530.56-3,229.19

Finding the Fourth Proportional to 11,020.37, 16,530.56 and 3,229.19

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Solution

The fourth proportional to 11,020.37, 16,530.56 and 3,229.19 is: 4,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.37 : 16,530.56 = 3,229.19 : x
  2. Step 2: Convert to fraction form
    11,020.37/16,530.56 = 3,229.19/x
  3. Step 3: Cross multiply
    11,020.37x = 16,530.56 × 3,229.19
  4. Step 4: Simplify right side
    11,020.37x = 53,380,319.05
  5. Step 5: Solve for x
    x = 53,380,319.05/11,020.37
  6. Step 6: Final answer
    x = 4,843.79

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.