Home / 7,912.22-11,867.52-2,068.07

Finding the Fourth Proportional to 7,912.22, 11,867.52 and 2,068.07

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Solution

The fourth proportional to 7,912.22, 11,867.52 and 2,068.07 is: 3,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.22 : 11,867.52 = 2,068.07 : x
  2. Step 2: Convert to fraction form
    7,912.22/11,867.52 = 2,068.07/x
  3. Step 3: Cross multiply
    7,912.22x = 11,867.52 × 2,068.07
  4. Step 4: Simplify right side
    7,912.22x = 24,542,862.09
  5. Step 5: Solve for x
    x = 24,542,862.09/7,912.22
  6. Step 6: Final answer
    x = 3,101.89

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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.