Home / 13,183.01-18,194.60-7,517.77

Finding the Fourth Proportional to 13,183.01, 18,194.60 and 7,517.77

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Solution

The fourth proportional to 13,183.01, 18,194.60 and 7,517.77 is: 10,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.01 : 18,194.60 = 7,517.77 : x
  2. Step 2: Convert to fraction form
    13,183.01/18,194.60 = 7,517.77/x
  3. Step 3: Cross multiply
    13,183.01x = 18,194.60 × 7,517.77
  4. Step 4: Simplify right side
    13,183.01x = 136,782,818.04
  5. Step 5: Solve for x
    x = 136,782,818.04/13,183.01
  6. Step 6: Final answer
    x = 10,375.69

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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.