Home / 11,997.44-16,557.04-8,020.16

Finding the Fourth Proportional to 11,997.44, 16,557.04 and 8,020.16

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Solution

The fourth proportional to 11,997.44, 16,557.04 and 8,020.16 is: 11,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.44 : 16,557.04 = 8,020.16 : x
  2. Step 2: Convert to fraction form
    11,997.44/16,557.04 = 8,020.16/x
  3. Step 3: Cross multiply
    11,997.44x = 16,557.04 × 8,020.16
  4. Step 4: Simplify right side
    11,997.44x = 132,790,109.93
  5. Step 5: Solve for x
    x = 132,790,109.93/11,997.44
  6. Step 6: Final answer
    x = 11,068.20

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.