Home / 8,104.33-12,135.43-6,941.80

Finding the Fourth Proportional to 8,104.33, 12,135.43 and 6,941.80

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Solution

The fourth proportional to 8,104.33, 12,135.43 and 6,941.80 is: 10,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.33 : 12,135.43 = 6,941.80 : x
  2. Step 2: Convert to fraction form
    8,104.33/12,135.43 = 6,941.80/x
  3. Step 3: Cross multiply
    8,104.33x = 12,135.43 × 6,941.80
  4. Step 4: Simplify right side
    8,104.33x = 84,241,727.97
  5. Step 5: Solve for x
    x = 84,241,727.97/8,104.33
  6. Step 6: Final answer
    x = 10,394.66

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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.