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Finding the Fourth Proportional to 8,886.50, 12,267.74 and 6,968.94

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Solution

The fourth proportional to 8,886.50, 12,267.74 and 6,968.94 is: 9,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.50 : 12,267.74 = 6,968.94 : x
  2. Step 2: Convert to fraction form
    8,886.50/12,267.74 = 6,968.94/x
  3. Step 3: Cross multiply
    8,886.50x = 12,267.74 × 6,968.94
  4. Step 4: Simplify right side
    8,886.50x = 85,493,144.00
  5. Step 5: Solve for x
    x = 85,493,144.00/8,886.50
  6. Step 6: Final answer
    x = 9,620.56

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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.