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Finding the Fourth Proportional to 8,293.87, 12,440.81 and 6,829.95

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Solution

The fourth proportional to 8,293.87, 12,440.81 and 6,829.95 is: 10,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.87 : 12,440.81 = 6,829.95 : x
  2. Step 2: Convert to fraction form
    8,293.87/12,440.81 = 6,829.95/x
  3. Step 3: Cross multiply
    8,293.87x = 12,440.81 × 6,829.95
  4. Step 4: Simplify right side
    8,293.87x = 84,970,110.26
  5. Step 5: Solve for x
    x = 84,970,110.26/8,293.87
  6. Step 6: Final answer
    x = 10,244.93

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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.