Home / 10,906.07-15,049.04-6,189.44

Finding the Fourth Proportional to 10,906.07, 15,049.04 and 6,189.44

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Solution

The fourth proportional to 10,906.07, 15,049.04 and 6,189.44 is: 8,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.07 : 15,049.04 = 6,189.44 : x
  2. Step 2: Convert to fraction form
    10,906.07/15,049.04 = 6,189.44/x
  3. Step 3: Cross multiply
    10,906.07x = 15,049.04 × 6,189.44
  4. Step 4: Simplify right side
    10,906.07x = 93,145,023.95
  5. Step 5: Solve for x
    x = 93,145,023.95/10,906.07
  6. Step 6: Final answer
    x = 8,540.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.