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Finding the Fourth Proportional to 8,348.16, 12,522.24 and 6,696.57

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Solution

The fourth proportional to 8,348.16, 12,522.24 and 6,696.57 is: 10,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.16 : 12,522.24 = 6,696.57 : x
  2. Step 2: Convert to fraction form
    8,348.16/12,522.24 = 6,696.57/x
  3. Step 3: Cross multiply
    8,348.16x = 12,522.24 × 6,696.57
  4. Step 4: Simplify right side
    8,348.16x = 83,856,056.72
  5. Step 5: Solve for x
    x = 83,856,056.72/8,348.16
  6. Step 6: Final answer
    x = 10,044.86

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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.