Home / 10,631.80-15,948.06-3,517.48

Finding the Fourth Proportional to 10,631.80, 15,948.06 and 3,517.48

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Solution

The fourth proportional to 10,631.80, 15,948.06 and 3,517.48 is: 5,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.80 : 15,948.06 = 3,517.48 : x
  2. Step 2: Convert to fraction form
    10,631.80/15,948.06 = 3,517.48/x
  3. Step 3: Cross multiply
    10,631.80x = 15,948.06 × 3,517.48
  4. Step 4: Simplify right side
    10,631.80x = 56,096,982.09
  5. Step 5: Solve for x
    x = 56,096,982.09/10,631.80
  6. Step 6: Final answer
    x = 5,276.34

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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.