Home / 7,862.16-11,791.98-2,018.46

Finding the Fourth Proportional to 7,862.16, 11,791.98 and 2,018.46

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Solution

The fourth proportional to 7,862.16, 11,791.98 and 2,018.46 is: 3,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.16 : 11,791.98 = 2,018.46 : x
  2. Step 2: Convert to fraction form
    7,862.16/11,791.98 = 2,018.46/x
  3. Step 3: Cross multiply
    7,862.16x = 11,791.98 × 2,018.46
  4. Step 4: Simplify right side
    7,862.16x = 23,801,639.95
  5. Step 5: Solve for x
    x = 23,801,639.95/7,862.16
  6. Step 6: Final answer
    x = 3,027.37

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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.