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Finding the Fourth Proportional to 8,852.68, 12,208.82 and 6,986.44

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Solution

The fourth proportional to 8,852.68, 12,208.82 and 6,986.44 is: 9,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.68 : 12,208.82 = 6,986.44 : x
  2. Step 2: Convert to fraction form
    8,852.68/12,208.82 = 6,986.44/x
  3. Step 3: Cross multiply
    8,852.68x = 12,208.82 × 6,986.44
  4. Step 4: Simplify right side
    8,852.68x = 85,296,188.40
  5. Step 5: Solve for x
    x = 85,296,188.40/8,852.68
  6. Step 6: Final answer
    x = 9,635.07

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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.