Home / 11,996.60-16,548.18-9,339.80

Finding the Fourth Proportional to 11,996.60, 16,548.18 and 9,339.80

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Solution

The fourth proportional to 11,996.60, 16,548.18 and 9,339.80 is: 12,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.60 : 16,548.18 = 9,339.80 : x
  2. Step 2: Convert to fraction form
    11,996.60/16,548.18 = 9,339.80/x
  3. Step 3: Cross multiply
    11,996.60x = 16,548.18 × 9,339.80
  4. Step 4: Simplify right side
    11,996.60x = 154,556,691.56
  5. Step 5: Solve for x
    x = 154,556,691.56/11,996.60
  6. Step 6: Final answer
    x = 12,883.37

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Double scale
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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.