Home / 10,171.36-15,183.37-8,793.55

Finding the Fourth Proportional to 10,171.36, 15,183.37 and 8,793.55

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Solution

The fourth proportional to 10,171.36, 15,183.37 and 8,793.55 is: 13,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.36 : 15,183.37 = 8,793.55 : x
  2. Step 2: Convert to fraction form
    10,171.36/15,183.37 = 8,793.55/x
  3. Step 3: Cross multiply
    10,171.36x = 15,183.37 × 8,793.55
  4. Step 4: Simplify right side
    10,171.36x = 133,515,723.26
  5. Step 5: Solve for x
    x = 133,515,723.26/10,171.36
  6. Step 6: Final answer
    x = 13,126.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.