Home / 7,766.61-11,638.39-5,704.53

Finding the Fourth Proportional to 7,766.61, 11,638.39 and 5,704.53

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Solution

The fourth proportional to 7,766.61, 11,638.39 and 5,704.53 is: 8,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.61 : 11,638.39 = 5,704.53 : x
  2. Step 2: Convert to fraction form
    7,766.61/11,638.39 = 5,704.53/x
  3. Step 3: Cross multiply
    7,766.61x = 11,638.39 × 5,704.53
  4. Step 4: Simplify right side
    7,766.61x = 66,391,497.70
  5. Step 5: Solve for x
    x = 66,391,497.70/7,766.61
  6. Step 6: Final answer
    x = 8,548.33

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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.