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Finding the Fourth Proportional to 8,310.87, 12,466.84 and 5,804.48

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Solution

The fourth proportional to 8,310.87, 12,466.84 and 5,804.48 is: 8,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.87 : 12,466.84 = 5,804.48 : x
  2. Step 2: Convert to fraction form
    8,310.87/12,466.84 = 5,804.48/x
  3. Step 3: Cross multiply
    8,310.87x = 12,466.84 × 5,804.48
  4. Step 4: Simplify right side
    8,310.87x = 72,363,523.44
  5. Step 5: Solve for x
    x = 72,363,523.44/8,310.87
  6. Step 6: Final answer
    x = 8,707.09

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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.