Home / 9,375.14-12,937.10-5,183.48

Finding the Fourth Proportional to 9,375.14, 12,937.10 and 5,183.48

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Solution

The fourth proportional to 9,375.14, 12,937.10 and 5,183.48 is: 7,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.14 : 12,937.10 = 5,183.48 : x
  2. Step 2: Convert to fraction form
    9,375.14/12,937.10 = 5,183.48/x
  3. Step 3: Cross multiply
    9,375.14x = 12,937.10 × 5,183.48
  4. Step 4: Simplify right side
    9,375.14x = 67,059,199.11
  5. Step 5: Solve for x
    x = 67,059,199.11/9,375.14
  6. Step 6: Final answer
    x = 7,152.87

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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.