Home / 8,652.09-11,939.24-5,114.61

Finding the Fourth Proportional to 8,652.09, 11,939.24 and 5,114.61

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Solution

The fourth proportional to 8,652.09, 11,939.24 and 5,114.61 is: 7,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.09 : 11,939.24 = 5,114.61 : x
  2. Step 2: Convert to fraction form
    8,652.09/11,939.24 = 5,114.61/x
  3. Step 3: Cross multiply
    8,652.09x = 11,939.24 × 5,114.61
  4. Step 4: Simplify right side
    8,652.09x = 61,064,556.30
  5. Step 5: Solve for x
    x = 61,064,556.30/8,652.09
  6. Step 6: Final answer
    x = 7,057.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.