Home / 8,222.36-11,344.38-4,865.48

Finding the Fourth Proportional to 8,222.36, 11,344.38 and 4,865.48

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Solution

The fourth proportional to 8,222.36, 11,344.38 and 4,865.48 is: 6,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.36 : 11,344.38 = 4,865.48 : x
  2. Step 2: Convert to fraction form
    8,222.36/11,344.38 = 4,865.48/x
  3. Step 3: Cross multiply
    8,222.36x = 11,344.38 × 4,865.48
  4. Step 4: Simplify right side
    8,222.36x = 55,195,854.00
  5. Step 5: Solve for x
    x = 55,195,854.00/8,222.36
  6. Step 6: Final answer
    x = 6,712.90

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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.