Home / 11,996.39-16,554.84-6,691.09

Finding the Fourth Proportional to 11,996.39, 16,554.84 and 6,691.09

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Solution

The fourth proportional to 11,996.39, 16,554.84 and 6,691.09 is: 9,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.39 : 16,554.84 = 6,691.09 : x
  2. Step 2: Convert to fraction form
    11,996.39/16,554.84 = 6,691.09/x
  3. Step 3: Cross multiply
    11,996.39x = 16,554.84 × 6,691.09
  4. Step 4: Simplify right side
    11,996.39x = 110,769,924.38
  5. Step 5: Solve for x
    x = 110,769,924.38/11,996.39
  6. Step 6: Final answer
    x = 9,233.60

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Half scale
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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.