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Finding the Fourth Proportional to 9,393.57, 12,945.29 and 6,736.37

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Solution

The fourth proportional to 9,393.57, 12,945.29 and 6,736.37 is: 9,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.57 : 12,945.29 = 6,736.37 : x
  2. Step 2: Convert to fraction form
    9,393.57/12,945.29 = 6,736.37/x
  3. Step 3: Cross multiply
    9,393.57x = 12,945.29 × 6,736.37
  4. Step 4: Simplify right side
    9,393.57x = 87,204,164.79
  5. Step 5: Solve for x
    x = 87,204,164.79/9,393.57
  6. Step 6: Final answer
    x = 9,283.39

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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.