Home / 11,627.60-17,427.42-5,379.12

Finding the Fourth Proportional to 11,627.60, 17,427.42 and 5,379.12

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Solution

The fourth proportional to 11,627.60, 17,427.42 and 5,379.12 is: 8,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.60 : 17,427.42 = 5,379.12 : x
  2. Step 2: Convert to fraction form
    11,627.60/17,427.42 = 5,379.12/x
  3. Step 3: Cross multiply
    11,627.60x = 17,427.42 × 5,379.12
  4. Step 4: Simplify right side
    11,627.60x = 93,744,183.47
  5. Step 5: Solve for x
    x = 93,744,183.47/11,627.60
  6. Step 6: Final answer
    x = 8,062.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.