Home / 10,572.45-15,852.60-3,175.80

Finding the Fourth Proportional to 10,572.45, 15,852.60 and 3,175.80

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Solution

The fourth proportional to 10,572.45, 15,852.60 and 3,175.80 is: 4,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.45 : 15,852.60 = 3,175.80 : x
  2. Step 2: Convert to fraction form
    10,572.45/15,852.60 = 3,175.80/x
  3. Step 3: Cross multiply
    10,572.45x = 15,852.60 × 3,175.80
  4. Step 4: Simplify right side
    10,572.45x = 50,344,687.08
  5. Step 5: Solve for x
    x = 50,344,687.08/10,572.45
  6. Step 6: Final answer
    x = 4,761.88

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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.