Home / 8,852.60-12,137.38-8,694.66

Finding the Fourth Proportional to 8,852.60, 12,137.38 and 8,694.66

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Solution

The fourth proportional to 8,852.60, 12,137.38 and 8,694.66 is: 11,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.60 : 12,137.38 = 8,694.66 : x
  2. Step 2: Convert to fraction form
    8,852.60/12,137.38 = 8,694.66/x
  3. Step 3: Cross multiply
    8,852.60x = 12,137.38 × 8,694.66
  4. Step 4: Simplify right side
    8,852.60x = 105,530,392.39
  5. Step 5: Solve for x
    x = 105,530,392.39/8,852.60
  6. Step 6: Final answer
    x = 11,920.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.