Home / 10,945.38-15,104.69-6,229.66

Finding the Fourth Proportional to 10,945.38, 15,104.69 and 6,229.66

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Solution

The fourth proportional to 10,945.38, 15,104.69 and 6,229.66 is: 8,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.38 : 15,104.69 = 6,229.66 : x
  2. Step 2: Convert to fraction form
    10,945.38/15,104.69 = 6,229.66/x
  3. Step 3: Cross multiply
    10,945.38x = 15,104.69 × 6,229.66
  4. Step 4: Simplify right side
    10,945.38x = 94,097,060.92
  5. Step 5: Solve for x
    x = 94,097,060.92/10,945.38
  6. Step 6: Final answer
    x = 8,596.97

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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.