Home / 9,163.92-12,644.46-5,183.58

Finding the Fourth Proportional to 9,163.92, 12,644.46 and 5,183.58

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Solution

The fourth proportional to 9,163.92, 12,644.46 and 5,183.58 is: 7,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.92 : 12,644.46 = 5,183.58 : x
  2. Step 2: Convert to fraction form
    9,163.92/12,644.46 = 5,183.58/x
  3. Step 3: Cross multiply
    9,163.92x = 12,644.46 × 5,183.58
  4. Step 4: Simplify right side
    9,163.92x = 65,543,569.97
  5. Step 5: Solve for x
    x = 65,543,569.97/9,163.92
  6. Step 6: Final answer
    x = 7,152.35

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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.