Home / 7,192.46-10,789.27-1,998.33

Finding the Fourth Proportional to 7,192.46, 10,789.27 and 1,998.33

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Solution

The fourth proportional to 7,192.46, 10,789.27 and 1,998.33 is: 2,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.46 : 10,789.27 = 1,998.33 : x
  2. Step 2: Convert to fraction form
    7,192.46/10,789.27 = 1,998.33/x
  3. Step 3: Cross multiply
    7,192.46x = 10,789.27 × 1,998.33
  4. Step 4: Simplify right side
    7,192.46x = 21,560,516.92
  5. Step 5: Solve for x
    x = 21,560,516.92/7,192.46
  6. Step 6: Final answer
    x = 2,997.66

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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.