Home / 10,096.45-15,138.60-5,175.70

Finding the Fourth Proportional to 10,096.45, 15,138.60 and 5,175.70

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Solution

The fourth proportional to 10,096.45, 15,138.60 and 5,175.70 is: 7,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,096.45 : 15,138.60 = 5,175.70 : x
  2. Step 2: Convert to fraction form
    10,096.45/15,138.60 = 5,175.70/x
  3. Step 3: Cross multiply
    10,096.45x = 15,138.60 × 5,175.70
  4. Step 4: Simplify right side
    10,096.45x = 78,352,852.02
  5. Step 5: Solve for x
    x = 78,352,852.02/10,096.45
  6. Step 6: Final answer
    x = 7,760.44

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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.