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Finding the Fourth Proportional to 9,375.29, 12,937.35 and 5,183.29

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Solution

The fourth proportional to 9,375.29, 12,937.35 and 5,183.29 is: 7,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.29 : 12,937.35 = 5,183.29 : x
  2. Step 2: Convert to fraction form
    9,375.29/12,937.35 = 5,183.29/x
  3. Step 3: Cross multiply
    9,375.29x = 12,937.35 × 5,183.29
  4. Step 4: Simplify right side
    9,375.29x = 67,058,010.97
  5. Step 5: Solve for x
    x = 67,058,010.97/9,375.29
  6. Step 6: Final answer
    x = 7,152.63

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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.