Home / 10,195.11-15,291.50-3,175.65

Finding the Fourth Proportional to 10,195.11, 15,291.50 and 3,175.65

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Solution

The fourth proportional to 10,195.11, 15,291.50 and 3,175.65 is: 4,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.11 : 15,291.50 = 3,175.65 : x
  2. Step 2: Convert to fraction form
    10,195.11/15,291.50 = 3,175.65/x
  3. Step 3: Cross multiply
    10,195.11x = 15,291.50 × 3,175.65
  4. Step 4: Simplify right side
    10,195.11x = 48,560,436.10
  5. Step 5: Solve for x
    x = 48,560,436.10/10,195.11
  6. Step 6: Final answer
    x = 4,763.11

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1.5x scale

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.