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Finding the Fourth Proportional to 8,368.31, 12,522.47 and 7,246.44

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Solution

The fourth proportional to 8,368.31, 12,522.47 and 7,246.44 is: 10,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.31 : 12,522.47 = 7,246.44 : x
  2. Step 2: Convert to fraction form
    8,368.31/12,522.47 = 7,246.44/x
  3. Step 3: Cross multiply
    8,368.31x = 12,522.47 × 7,246.44
  4. Step 4: Simplify right side
    8,368.31x = 90,743,275.50
  5. Step 5: Solve for x
    x = 90,743,275.50/8,368.31
  6. Step 6: Final answer
    x = 10,843.68

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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.