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Finding the Fourth Proportional to 12,199.84, 16,834.84 and 6,822.25

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Solution

The fourth proportional to 12,199.84, 16,834.84 and 6,822.25 is: 9,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.84 : 16,834.84 = 6,822.25 : x
  2. Step 2: Convert to fraction form
    12,199.84/16,834.84 = 6,822.25/x
  3. Step 3: Cross multiply
    12,199.84x = 16,834.84 × 6,822.25
  4. Step 4: Simplify right side
    12,199.84x = 114,851,487.19
  5. Step 5: Solve for x
    x = 114,851,487.19/12,199.84
  6. Step 6: Final answer
    x = 9,414.18

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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.