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Finding the Fourth Proportional to 12,246.29, 16,900.07 and 6,869.92

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Solution

The fourth proportional to 12,246.29, 16,900.07 and 6,869.92 is: 9,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.29 : 16,900.07 = 6,869.92 : x
  2. Step 2: Convert to fraction form
    12,246.29/16,900.07 = 6,869.92/x
  3. Step 3: Cross multiply
    12,246.29x = 16,900.07 × 6,869.92
  4. Step 4: Simplify right side
    12,246.29x = 116,102,052.29
  5. Step 5: Solve for x
    x = 116,102,052.29/12,246.29
  6. Step 6: Final answer
    x = 9,480.59

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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.