Home / 9,162.67-12,644.76-5,183.70

Finding the Fourth Proportional to 9,162.67, 12,644.76 and 5,183.70

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Solution

The fourth proportional to 9,162.67, 12,644.76 and 5,183.70 is: 7,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.67 : 12,644.76 = 5,183.70 : x
  2. Step 2: Convert to fraction form
    9,162.67/12,644.76 = 5,183.70/x
  3. Step 3: Cross multiply
    9,162.67x = 12,644.76 × 5,183.70
  4. Step 4: Simplify right side
    9,162.67x = 65,546,585.27
  5. Step 5: Solve for x
    x = 65,546,585.27/9,162.67
  6. Step 6: Final answer
    x = 7,153.66

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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.