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Finding the Fourth Proportional to 8,692.36, 11,982.94 and 6,204.04

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Solution

The fourth proportional to 8,692.36, 11,982.94 and 6,204.04 is: 8,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.36 : 11,982.94 = 6,204.04 : x
  2. Step 2: Convert to fraction form
    8,692.36/11,982.94 = 6,204.04/x
  3. Step 3: Cross multiply
    8,692.36x = 11,982.94 × 6,204.04
  4. Step 4: Simplify right side
    8,692.36x = 74,342,639.08
  5. Step 5: Solve for x
    x = 74,342,639.08/8,692.36
  6. Step 6: Final answer
    x = 8,552.64

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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.