Home / 11,018.87-16,528.31-3,227.69

Finding the Fourth Proportional to 11,018.87, 16,528.31 and 3,227.69

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Solution

The fourth proportional to 11,018.87, 16,528.31 and 3,227.69 is: 4,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.87 : 16,528.31 = 3,227.69 : x
  2. Step 2: Convert to fraction form
    11,018.87/16,528.31 = 3,227.69/x
  3. Step 3: Cross multiply
    11,018.87x = 16,528.31 × 3,227.69
  4. Step 4: Simplify right side
    11,018.87x = 53,348,260.90
  5. Step 5: Solve for x
    x = 53,348,260.90/11,018.87
  6. Step 6: Final answer
    x = 4,841.54

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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.