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Finding the Fourth Proportional to 8,836.58, 12,194.48 and 4,857.69

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Solution

The fourth proportional to 8,836.58, 12,194.48 and 4,857.69 is: 6,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.58 : 12,194.48 = 4,857.69 : x
  2. Step 2: Convert to fraction form
    8,836.58/12,194.48 = 4,857.69/x
  3. Step 3: Cross multiply
    8,836.58x = 12,194.48 × 4,857.69
  4. Step 4: Simplify right side
    8,836.58x = 59,237,003.55
  5. Step 5: Solve for x
    x = 59,237,003.55/8,836.58
  6. Step 6: Final answer
    x = 6,703.61

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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.