Home / 8,351.42-11,523.20-4,993.70

Finding the Fourth Proportional to 8,351.42, 11,523.20 and 4,993.70

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Solution

The fourth proportional to 8,351.42, 11,523.20 and 4,993.70 is: 6,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.42 : 11,523.20 = 4,993.70 : x
  2. Step 2: Convert to fraction form
    8,351.42/11,523.20 = 4,993.70/x
  3. Step 3: Cross multiply
    8,351.42x = 11,523.20 × 4,993.70
  4. Step 4: Simplify right side
    8,351.42x = 57,543,321.26
  5. Step 5: Solve for x
    x = 57,543,321.26/8,351.42
  6. Step 6: Final answer
    x = 6,890.25

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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.