Home / 11,367.80-17,051.70-8,233.10

Finding the Fourth Proportional to 11,367.80, 17,051.70 and 8,233.10

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Solution

The fourth proportional to 11,367.80, 17,051.70 and 8,233.10 is: 12,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.80 : 17,051.70 = 8,233.10 : x
  2. Step 2: Convert to fraction form
    11,367.80/17,051.70 = 8,233.10/x
  3. Step 3: Cross multiply
    11,367.80x = 17,051.70 × 8,233.10
  4. Step 4: Simplify right side
    11,367.80x = 140,388,351.27
  5. Step 5: Solve for x
    x = 140,388,351.27/11,367.80
  6. Step 6: Final answer
    x = 12,349.65

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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.