Home / 11,954.07-17,930.90-4,162.68

Finding the Fourth Proportional to 11,954.07, 17,930.90 and 4,162.68

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Solution

The fourth proportional to 11,954.07, 17,930.90 and 4,162.68 is: 6,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.07 : 17,930.90 = 4,162.68 : x
  2. Step 2: Convert to fraction form
    11,954.07/17,930.90 = 4,162.68/x
  3. Step 3: Cross multiply
    11,954.07x = 17,930.90 × 4,162.68
  4. Step 4: Simplify right side
    11,954.07x = 74,640,609.22
  5. Step 5: Solve for x
    x = 74,640,609.22/11,954.07
  6. Step 6: Final answer
    x = 6,243.95

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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.