Home / 11,942.48-17,889.09-6,997.13

Finding the Fourth Proportional to 11,942.48, 17,889.09 and 6,997.13

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Solution

The fourth proportional to 11,942.48, 17,889.09 and 6,997.13 is: 10,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.48 : 17,889.09 = 6,997.13 : x
  2. Step 2: Convert to fraction form
    11,942.48/17,889.09 = 6,997.13/x
  3. Step 3: Cross multiply
    11,942.48x = 17,889.09 × 6,997.13
  4. Step 4: Simplify right side
    11,942.48x = 125,172,198.87
  5. Step 5: Solve for x
    x = 125,172,198.87/11,942.48
  6. Step 6: Final answer
    x = 10,481.26

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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.