Home / 11,948.67-17,930.21-4,162.95

Finding the Fourth Proportional to 11,948.67, 17,930.21 and 4,162.95

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Solution

The fourth proportional to 11,948.67, 17,930.21 and 4,162.95 is: 6,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.67 : 17,930.21 = 4,162.95 : x
  2. Step 2: Convert to fraction form
    11,948.67/17,930.21 = 4,162.95/x
  3. Step 3: Cross multiply
    11,948.67x = 17,930.21 × 4,162.95
  4. Step 4: Simplify right side
    11,948.67x = 74,642,546.90
  5. Step 5: Solve for x
    x = 74,642,546.90/11,948.67
  6. Step 6: Final answer
    x = 6,246.93

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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.