Home / 11,224.46-16,836.68-2,905.31

Finding the Fourth Proportional to 11,224.46, 16,836.68 and 2,905.31

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Solution

The fourth proportional to 11,224.46, 16,836.68 and 2,905.31 is: 4,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.46 : 16,836.68 = 2,905.31 : x
  2. Step 2: Convert to fraction form
    11,224.46/16,836.68 = 2,905.31/x
  3. Step 3: Cross multiply
    11,224.46x = 16,836.68 × 2,905.31
  4. Step 4: Simplify right side
    11,224.46x = 48,915,824.13
  5. Step 5: Solve for x
    x = 48,915,824.13/11,224.46
  6. Step 6: Final answer
    x = 4,357.97

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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.