Home / 11,992.20-16,548.62-6,685.98

Finding the Fourth Proportional to 11,992.20, 16,548.62 and 6,685.98

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Solution

The fourth proportional to 11,992.20, 16,548.62 and 6,685.98 is: 9,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.20 : 16,548.62 = 6,685.98 : x
  2. Step 2: Convert to fraction form
    11,992.20/16,548.62 = 6,685.98/x
  3. Step 3: Cross multiply
    11,992.20x = 16,548.62 × 6,685.98
  4. Step 4: Simplify right side
    11,992.20x = 110,643,708.92
  5. Step 5: Solve for x
    x = 110,643,708.92/11,992.20
  6. Step 6: Final answer
    x = 9,226.31

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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.