Home / 7,912.06-11,862.23-4,791.34

Finding the Fourth Proportional to 7,912.06, 11,862.23 and 4,791.34

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Solution

The fourth proportional to 7,912.06, 11,862.23 and 4,791.34 is: 7,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.06 : 11,862.23 = 4,791.34 : x
  2. Step 2: Convert to fraction form
    7,912.06/11,862.23 = 4,791.34/x
  3. Step 3: Cross multiply
    7,912.06x = 11,862.23 × 4,791.34
  4. Step 4: Simplify right side
    7,912.06x = 56,835,977.09
  5. Step 5: Solve for x
    x = 56,835,977.09/7,912.06
  6. Step 6: Final answer
    x = 7,183.46

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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.