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Finding the Fourth Proportional to 8,548.12, 12,799.78 and 6,873.34

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Solution

The fourth proportional to 8,548.12, 12,799.78 and 6,873.34 is: 10,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.12 : 12,799.78 = 6,873.34 : x
  2. Step 2: Convert to fraction form
    8,548.12/12,799.78 = 6,873.34/x
  3. Step 3: Cross multiply
    8,548.12x = 12,799.78 × 6,873.34
  4. Step 4: Simplify right side
    8,548.12x = 87,977,239.87
  5. Step 5: Solve for x
    x = 87,977,239.87/8,548.12
  6. Step 6: Final answer
    x = 10,292.00

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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.