Home / 11,957.22-17,930.97-4,164.21

Finding the Fourth Proportional to 11,957.22, 17,930.97 and 4,164.21

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Solution

The fourth proportional to 11,957.22, 17,930.97 and 4,164.21 is: 6,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.22 : 17,930.97 = 4,164.21 : x
  2. Step 2: Convert to fraction form
    11,957.22/17,930.97 = 4,164.21/x
  3. Step 3: Cross multiply
    11,957.22x = 17,930.97 × 4,164.21
  4. Step 4: Simplify right side
    11,957.22x = 74,668,324.58
  5. Step 5: Solve for x
    x = 74,668,324.58/11,957.22
  6. Step 6: Final answer
    x = 6,244.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.