Home / 10,472.33-15,705.16-3,450.79

Finding the Fourth Proportional to 10,472.33, 15,705.16 and 3,450.79

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Solution

The fourth proportional to 10,472.33, 15,705.16 and 3,450.79 is: 5,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.33 : 15,705.16 = 3,450.79 : x
  2. Step 2: Convert to fraction form
    10,472.33/15,705.16 = 3,450.79/x
  3. Step 3: Cross multiply
    10,472.33x = 15,705.16 × 3,450.79
  4. Step 4: Simplify right side
    10,472.33x = 54,195,209.08
  5. Step 5: Solve for x
    x = 54,195,209.08/10,472.33
  6. Step 6: Final answer
    x = 5,175.09

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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.