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Finding the Fourth Proportional to 12,009.88, 16,574.16 and 6,704.68

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Solution

The fourth proportional to 12,009.88, 16,574.16 and 6,704.68 is: 9,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.88 : 16,574.16 = 6,704.68 : x
  2. Step 2: Convert to fraction form
    12,009.88/16,574.16 = 6,704.68/x
  3. Step 3: Cross multiply
    12,009.88x = 16,574.16 × 6,704.68
  4. Step 4: Simplify right side
    12,009.88x = 111,124,439.07
  5. Step 5: Solve for x
    x = 111,124,439.07/12,009.88
  6. Step 6: Final answer
    x = 9,252.75

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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.