Home / 7,763.70-11,645.65-2,217.04

Finding the Fourth Proportional to 7,763.70, 11,645.65 and 2,217.04

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Solution

The fourth proportional to 7,763.70, 11,645.65 and 2,217.04 is: 3,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.70 : 11,645.65 = 2,217.04 : x
  2. Step 2: Convert to fraction form
    7,763.70/11,645.65 = 2,217.04/x
  3. Step 3: Cross multiply
    7,763.70x = 11,645.65 × 2,217.04
  4. Step 4: Simplify right side
    7,763.70x = 25,818,813.65
  5. Step 5: Solve for x
    x = 25,818,813.65/7,763.70
  6. Step 6: Final answer
    x = 3,325.58

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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.