Home / 12,170.14-16,794.10-6,864.64

Finding the Fourth Proportional to 12,170.14, 16,794.10 and 6,864.64

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Solution

The fourth proportional to 12,170.14, 16,794.10 and 6,864.64 is: 9,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.14 : 16,794.10 = 6,864.64 : x
  2. Step 2: Convert to fraction form
    12,170.14/16,794.10 = 6,864.64/x
  3. Step 3: Cross multiply
    12,170.14x = 16,794.10 × 6,864.64
  4. Step 4: Simplify right side
    12,170.14x = 115,285,450.62
  5. Step 5: Solve for x
    x = 115,285,450.62/12,170.14
  6. Step 6: Final answer
    x = 9,472.81

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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.