Home / 9,161.96-12,644.34-5,183.87

Finding the Fourth Proportional to 9,161.96, 12,644.34 and 5,183.87

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Solution

The fourth proportional to 9,161.96, 12,644.34 and 5,183.87 is: 7,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.96 : 12,644.34 = 5,183.87 : x
  2. Step 2: Convert to fraction form
    9,161.96/12,644.34 = 5,183.87/x
  3. Step 3: Cross multiply
    9,161.96x = 12,644.34 × 5,183.87
  4. Step 4: Simplify right side
    9,161.96x = 65,546,614.80
  5. Step 5: Solve for x
    x = 65,546,614.80/9,161.96
  6. Step 6: Final answer
    x = 7,154.21

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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.