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Finding the Fourth Proportional to 8,795.88, 12,143.16 and 6,762.96

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Solution

The fourth proportional to 8,795.88, 12,143.16 and 6,762.96 is: 9,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.88 : 12,143.16 = 6,762.96 : x
  2. Step 2: Convert to fraction form
    8,795.88/12,143.16 = 6,762.96/x
  3. Step 3: Cross multiply
    8,795.88x = 12,143.16 × 6,762.96
  4. Step 4: Simplify right side
    8,795.88x = 82,123,705.35
  5. Step 5: Solve for x
    x = 82,123,705.35/8,795.88
  6. Step 6: Final answer
    x = 9,336.61

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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.