Home / 12,035.62-18,049.56-6,191.38

Finding the Fourth Proportional to 12,035.62, 18,049.56 and 6,191.38

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Solution

The fourth proportional to 12,035.62, 18,049.56 and 6,191.38 is: 9,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.62 : 18,049.56 = 6,191.38 : x
  2. Step 2: Convert to fraction form
    12,035.62/18,049.56 = 6,191.38/x
  3. Step 3: Cross multiply
    12,035.62x = 18,049.56 × 6,191.38
  4. Step 4: Simplify right side
    12,035.62x = 111,751,684.79
  5. Step 5: Solve for x
    x = 111,751,684.79/12,035.62
  6. Step 6: Final answer
    x = 9,285.08

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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.