Home / 7,764.65-11,643.39-2,498.68

Finding the Fourth Proportional to 7,764.65, 11,643.39 and 2,498.68

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Solution

The fourth proportional to 7,764.65, 11,643.39 and 2,498.68 is: 3,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.65 : 11,643.39 = 2,498.68 : x
  2. Step 2: Convert to fraction form
    7,764.65/11,643.39 = 2,498.68/x
  3. Step 3: Cross multiply
    7,764.65x = 11,643.39 × 2,498.68
  4. Step 4: Simplify right side
    7,764.65x = 29,093,105.73
  5. Step 5: Solve for x
    x = 29,093,105.73/7,764.65
  6. Step 6: Final answer
    x = 3,746.87

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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.