Home / 8,379.27-11,568.81-5,195.95

Finding the Fourth Proportional to 8,379.27, 11,568.81 and 5,195.95

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Solution

The fourth proportional to 8,379.27, 11,568.81 and 5,195.95 is: 7,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.27 : 11,568.81 = 5,195.95 : x
  2. Step 2: Convert to fraction form
    8,379.27/11,568.81 = 5,195.95/x
  3. Step 3: Cross multiply
    8,379.27x = 11,568.81 × 5,195.95
  4. Step 4: Simplify right side
    8,379.27x = 60,110,958.32
  5. Step 5: Solve for x
    x = 60,110,958.32/8,379.27
  6. Step 6: Final answer
    x = 7,173.77

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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.