Home / 10,906.06-15,049.50-6,190.34

Finding the Fourth Proportional to 10,906.06, 15,049.50 and 6,190.34

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Solution

The fourth proportional to 10,906.06, 15,049.50 and 6,190.34 is: 8,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.06 : 15,049.50 = 6,190.34 : x
  2. Step 2: Convert to fraction form
    10,906.06/15,049.50 = 6,190.34/x
  3. Step 3: Cross multiply
    10,906.06x = 15,049.50 × 6,190.34
  4. Step 4: Simplify right side
    10,906.06x = 93,161,521.83
  5. Step 5: Solve for x
    x = 93,161,521.83/10,906.06
  6. Step 6: Final answer
    x = 8,542.18

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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.