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Finding the Fourth Proportional to 8,310.84, 12,466.12 and 4,806.12

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Solution

The fourth proportional to 8,310.84, 12,466.12 and 4,806.12 is: 7,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.84 : 12,466.12 = 4,806.12 : x
  2. Step 2: Convert to fraction form
    8,310.84/12,466.12 = 4,806.12/x
  3. Step 3: Cross multiply
    8,310.84x = 12,466.12 × 4,806.12
  4. Step 4: Simplify right side
    8,310.84x = 59,913,668.65
  5. Step 5: Solve for x
    x = 59,913,668.65/8,310.84
  6. Step 6: Final answer
    x = 7,209.10

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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.