Home / 7,984.89-12,023.82-5,919.57

Finding the Fourth Proportional to 7,984.89, 12,023.82 and 5,919.57

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Solution

The fourth proportional to 7,984.89, 12,023.82 and 5,919.57 is: 8,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.89 : 12,023.82 = 5,919.57 : x
  2. Step 2: Convert to fraction form
    7,984.89/12,023.82 = 5,919.57/x
  3. Step 3: Cross multiply
    7,984.89x = 12,023.82 × 5,919.57
  4. Step 4: Simplify right side
    7,984.89x = 71,175,844.16
  5. Step 5: Solve for x
    x = 71,175,844.16/7,984.89
  6. Step 6: Final answer
    x = 8,913.82

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.