Home / 8,519.55-11,766.83-5,682.00

Finding the Fourth Proportional to 8,519.55, 11,766.83 and 5,682.00

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Solution

The fourth proportional to 8,519.55, 11,766.83 and 5,682.00 is: 7,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.55 : 11,766.83 = 5,682.00 : x
  2. Step 2: Convert to fraction form
    8,519.55/11,766.83 = 5,682.00/x
  3. Step 3: Cross multiply
    8,519.55x = 11,766.83 × 5,682.00
  4. Step 4: Simplify right side
    8,519.55x = 66,859,093.57
  5. Step 5: Solve for x
    x = 66,859,093.57/8,519.55
  6. Step 6: Final answer
    x = 7,847.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.