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Finding the Fourth Proportional to 12,502.50, 17,252.74 and 6,836.19

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Solution

The fourth proportional to 12,502.50, 17,252.74 and 6,836.19 is: 9,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.50 : 17,252.74 = 6,836.19 : x
  2. Step 2: Convert to fraction form
    12,502.50/17,252.74 = 6,836.19/x
  3. Step 3: Cross multiply
    12,502.50x = 17,252.74 × 6,836.19
  4. Step 4: Simplify right side
    12,502.50x = 117,942,991.57
  5. Step 5: Solve for x
    x = 117,942,991.57/12,502.50
  6. Step 6: Final answer
    x = 9,433.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.