Home / 11,990.44-16,546.20-6,684.23

Finding the Fourth Proportional to 11,990.44, 16,546.20 and 6,684.23

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Solution

The fourth proportional to 11,990.44, 16,546.20 and 6,684.23 is: 9,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.44 : 16,546.20 = 6,684.23 : x
  2. Step 2: Convert to fraction form
    11,990.44/16,546.20 = 6,684.23/x
  3. Step 3: Cross multiply
    11,990.44x = 16,546.20 × 6,684.23
  4. Step 4: Simplify right side
    11,990.44x = 110,598,606.43
  5. Step 5: Solve for x
    x = 110,598,606.43/11,990.44
  6. Step 6: Final answer
    x = 9,223.90

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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.