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Finding the Fourth Proportional to 11,047.38, 15,245.38 and 6,079.38

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Solution

The fourth proportional to 11,047.38, 15,245.38 and 6,079.38 is: 8,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.38 : 15,245.38 = 6,079.38 : x
  2. Step 2: Convert to fraction form
    11,047.38/15,245.38 = 6,079.38/x
  3. Step 3: Cross multiply
    11,047.38x = 15,245.38 × 6,079.38
  4. Step 4: Simplify right side
    11,047.38x = 92,682,458.26
  5. Step 5: Solve for x
    x = 92,682,458.26/11,047.38
  6. Step 6: Final answer
    x = 8,389.54

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Double scale
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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.