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Finding the Fourth Proportional to 9,273.47, 12,798.08 and 5,738.73

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Solution

The fourth proportional to 9,273.47, 12,798.08 and 5,738.73 is: 7,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.47 : 12,798.08 = 5,738.73 : x
  2. Step 2: Convert to fraction form
    9,273.47/12,798.08 = 5,738.73/x
  3. Step 3: Cross multiply
    9,273.47x = 12,798.08 × 5,738.73
  4. Step 4: Simplify right side
    9,273.47x = 73,444,696.94
  5. Step 5: Solve for x
    x = 73,444,696.94/9,273.47
  6. Step 6: Final answer
    x = 7,919.88

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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.