Home / 12,243.62-18,372.36-5,222.97

Finding the Fourth Proportional to 12,243.62, 18,372.36 and 5,222.97

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Solution

The fourth proportional to 12,243.62, 18,372.36 and 5,222.97 is: 7,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.62 : 18,372.36 = 5,222.97 : x
  2. Step 2: Convert to fraction form
    12,243.62/18,372.36 = 5,222.97/x
  3. Step 3: Cross multiply
    12,243.62x = 18,372.36 × 5,222.97
  4. Step 4: Simplify right side
    12,243.62x = 95,958,304.93
  5. Step 5: Solve for x
    x = 95,958,304.93/12,243.62
  6. Step 6: Final answer
    x = 7,837.41

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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.