Home / 11,942.75-17,918.99-5,372.03

Finding the Fourth Proportional to 11,942.75, 17,918.99 and 5,372.03

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Solution

The fourth proportional to 11,942.75, 17,918.99 and 5,372.03 is: 8,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.75 : 17,918.99 = 5,372.03 : x
  2. Step 2: Convert to fraction form
    11,942.75/17,918.99 = 5,372.03/x
  3. Step 3: Cross multiply
    11,942.75x = 17,918.99 × 5,372.03
  4. Step 4: Simplify right side
    11,942.75x = 96,261,389.93
  5. Step 5: Solve for x
    x = 96,261,389.93/11,942.75
  6. Step 6: Final answer
    x = 8,060.23

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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.