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Finding the Fourth Proportional to 9,323.09, 12,865.90 and 5,344.43

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Solution

The fourth proportional to 9,323.09, 12,865.90 and 5,344.43 is: 7,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.09 : 12,865.90 = 5,344.43 : x
  2. Step 2: Convert to fraction form
    9,323.09/12,865.90 = 5,344.43/x
  3. Step 3: Cross multiply
    9,323.09x = 12,865.90 × 5,344.43
  4. Step 4: Simplify right side
    9,323.09x = 68,760,901.94
  5. Step 5: Solve for x
    x = 68,760,901.94/9,323.09
  6. Step 6: Final answer
    x = 7,375.33

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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.