Home / 10,101.38-15,152.68-3,175.88

Finding the Fourth Proportional to 10,101.38, 15,152.68 and 3,175.88

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Solution

The fourth proportional to 10,101.38, 15,152.68 and 3,175.88 is: 4,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.38 : 15,152.68 = 3,175.88 : x
  2. Step 2: Convert to fraction form
    10,101.38/15,152.68 = 3,175.88/x
  3. Step 3: Cross multiply
    10,101.38x = 15,152.68 × 3,175.88
  4. Step 4: Simplify right side
    10,101.38x = 48,123,093.36
  5. Step 5: Solve for x
    x = 48,123,093.36/10,101.38
  6. Step 6: Final answer
    x = 4,764.01

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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.