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Finding the Fourth Proportional to 11,860.35, 17,793.44 and 8,357.19

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Solution

The fourth proportional to 11,860.35, 17,793.44 and 8,357.19 is: 12,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.35 : 17,793.44 = 8,357.19 : x
  2. Step 2: Convert to fraction form
    11,860.35/17,793.44 = 8,357.19/x
  3. Step 3: Cross multiply
    11,860.35x = 17,793.44 × 8,357.19
  4. Step 4: Simplify right side
    11,860.35x = 148,703,117.05
  5. Step 5: Solve for x
    x = 148,703,117.05/11,860.35
  6. Step 6: Final answer
    x = 12,537.84

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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.