Home / 6,909.97-9,535.66-3,766.09

Finding the Fourth Proportional to 6,909.97, 9,535.66 and 3,766.09

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Solution

The fourth proportional to 6,909.97, 9,535.66 and 3,766.09 is: 5,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.97 : 9,535.66 = 3,766.09 : x
  2. Step 2: Convert to fraction form
    6,909.97/9,535.66 = 3,766.09/x
  3. Step 3: Cross multiply
    6,909.97x = 9,535.66 × 3,766.09
  4. Step 4: Simplify right side
    6,909.97x = 35,912,153.77
  5. Step 5: Solve for x
    x = 35,912,153.77/6,909.97
  6. Step 6: Final answer
    x = 5,197.15

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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.