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Finding the Fourth Proportional to 11,847.15, 17,770.08 and 4,451.04

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Solution

The fourth proportional to 11,847.15, 17,770.08 and 4,451.04 is: 6,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.15 : 17,770.08 = 4,451.04 : x
  2. Step 2: Convert to fraction form
    11,847.15/17,770.08 = 4,451.04/x
  3. Step 3: Cross multiply
    11,847.15x = 17,770.08 × 4,451.04
  4. Step 4: Simplify right side
    11,847.15x = 79,095,336.88
  5. Step 5: Solve for x
    x = 79,095,336.88/11,847.15
  6. Step 6: Final answer
    x = 6,676.32

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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.