Home / 7,766.92-11,651.20-3,325.04

Finding the Fourth Proportional to 7,766.92, 11,651.20 and 3,325.04

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Solution

The fourth proportional to 7,766.92, 11,651.20 and 3,325.04 is: 4,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.92 : 11,651.20 = 3,325.04 : x
  2. Step 2: Convert to fraction form
    7,766.92/11,651.20 = 3,325.04/x
  3. Step 3: Cross multiply
    7,766.92x = 11,651.20 × 3,325.04
  4. Step 4: Simplify right side
    7,766.92x = 38,740,706.05
  5. Step 5: Solve for x
    x = 38,740,706.05/7,766.92
  6. Step 6: Final answer
    x = 4,987.91

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1.5x scale

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.