Home / 10,845.41-16,270.70-3,449.88

Finding the Fourth Proportional to 10,845.41, 16,270.70 and 3,449.88

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Solution

The fourth proportional to 10,845.41, 16,270.70 and 3,449.88 is: 5,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.41 : 16,270.70 = 3,449.88 : x
  2. Step 2: Convert to fraction form
    10,845.41/16,270.70 = 3,449.88/x
  3. Step 3: Cross multiply
    10,845.41x = 16,270.70 × 3,449.88
  4. Step 4: Simplify right side
    10,845.41x = 56,131,945.27
  5. Step 5: Solve for x
    x = 56,131,945.27/10,845.41
  6. Step 6: Final answer
    x = 5,175.64

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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.