Home / 8,223.44-11,350.22-5,238.68

Finding the Fourth Proportional to 8,223.44, 11,350.22 and 5,238.68

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Solution

The fourth proportional to 8,223.44, 11,350.22 and 5,238.68 is: 7,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.44 : 11,350.22 = 5,238.68 : x
  2. Step 2: Convert to fraction form
    8,223.44/11,350.22 = 5,238.68/x
  3. Step 3: Cross multiply
    8,223.44x = 11,350.22 × 5,238.68
  4. Step 4: Simplify right side
    8,223.44x = 59,460,087.57
  5. Step 5: Solve for x
    x = 59,460,087.57/8,223.44
  6. Step 6: Final answer
    x = 7,230.57

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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.