Home / 7,859.24-11,788.82-2,015.84

Finding the Fourth Proportional to 7,859.24, 11,788.82 and 2,015.84

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Solution

The fourth proportional to 7,859.24, 11,788.82 and 2,015.84 is: 3,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.24 : 11,788.82 = 2,015.84 : x
  2. Step 2: Convert to fraction form
    7,859.24/11,788.82 = 2,015.84/x
  3. Step 3: Cross multiply
    7,859.24x = 11,788.82 × 2,015.84
  4. Step 4: Simplify right side
    7,859.24x = 23,764,374.91
  5. Step 5: Solve for x
    x = 23,764,374.91/7,859.24
  6. Step 6: Final answer
    x = 3,023.75

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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.