Home / 12,096.91-18,138.46-6,170.14

Finding the Fourth Proportional to 12,096.91, 18,138.46 and 6,170.14

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Solution

The fourth proportional to 12,096.91, 18,138.46 and 6,170.14 is: 9,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.91 : 18,138.46 = 6,170.14 : x
  2. Step 2: Convert to fraction form
    12,096.91/18,138.46 = 6,170.14/x
  3. Step 3: Cross multiply
    12,096.91x = 18,138.46 × 6,170.14
  4. Step 4: Simplify right side
    12,096.91x = 111,916,837.58
  5. Step 5: Solve for x
    x = 111,916,837.58/12,096.91
  6. Step 6: Final answer
    x = 9,251.69

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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.