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Finding the Fourth Proportional to 8,794.06, 12,135.81 and 4,815.41

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Solution

The fourth proportional to 8,794.06, 12,135.81 and 4,815.41 is: 6,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.06 : 12,135.81 = 4,815.41 : x
  2. Step 2: Convert to fraction form
    8,794.06/12,135.81 = 4,815.41/x
  3. Step 3: Cross multiply
    8,794.06x = 12,135.81 × 4,815.41
  4. Step 4: Simplify right side
    8,794.06x = 58,438,900.83
  5. Step 5: Solve for x
    x = 58,438,900.83/8,794.06
  6. Step 6: Final answer
    x = 6,645.27

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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.