Home / 10,836.89-16,255.33-2,939.44

Finding the Fourth Proportional to 10,836.89, 16,255.33 and 2,939.44

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Solution

The fourth proportional to 10,836.89, 16,255.33 and 2,939.44 is: 4,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.89 : 16,255.33 = 2,939.44 : x
  2. Step 2: Convert to fraction form
    10,836.89/16,255.33 = 2,939.44/x
  3. Step 3: Cross multiply
    10,836.89x = 16,255.33 × 2,939.44
  4. Step 4: Simplify right side
    10,836.89x = 47,781,566.24
  5. Step 5: Solve for x
    x = 47,781,566.24/10,836.89
  6. Step 6: Final answer
    x = 4,409.16

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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.