Home / 10,829.66-16,243.05-3,434.88

Finding the Fourth Proportional to 10,829.66, 16,243.05 and 3,434.88

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Solution

The fourth proportional to 10,829.66, 16,243.05 and 3,434.88 is: 5,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.66 : 16,243.05 = 3,434.88 : x
  2. Step 2: Convert to fraction form
    10,829.66/16,243.05 = 3,434.88/x
  3. Step 3: Cross multiply
    10,829.66x = 16,243.05 × 3,434.88
  4. Step 4: Simplify right side
    10,829.66x = 55,792,927.58
  5. Step 5: Solve for x
    x = 55,792,927.58/10,829.66
  6. Step 6: Final answer
    x = 5,151.86

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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.