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Finding the Fourth Proportional to 8,839.96, 12,198.12 and 4,860.84

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Solution

The fourth proportional to 8,839.96, 12,198.12 and 4,860.84 is: 6,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.96 : 12,198.12 = 4,860.84 : x
  2. Step 2: Convert to fraction form
    8,839.96/12,198.12 = 4,860.84/x
  3. Step 3: Cross multiply
    8,839.96x = 12,198.12 × 4,860.84
  4. Step 4: Simplify right side
    8,839.96x = 59,293,109.62
  5. Step 5: Solve for x
    x = 59,293,109.62/8,839.96
  6. Step 6: Final answer
    x = 6,707.40

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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.