Home / 8,229.09-11,356.20-4,694.36

Finding the Fourth Proportional to 8,229.09, 11,356.20 and 4,694.36

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Solution

The fourth proportional to 8,229.09, 11,356.20 and 4,694.36 is: 6,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.09 : 11,356.20 = 4,694.36 : x
  2. Step 2: Convert to fraction form
    8,229.09/11,356.20 = 4,694.36/x
  3. Step 3: Cross multiply
    8,229.09x = 11,356.20 × 4,694.36
  4. Step 4: Simplify right side
    8,229.09x = 53,310,034.25
  5. Step 5: Solve for x
    x = 53,310,034.25/8,229.09
  6. Step 6: Final answer
    x = 6,478.24

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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.