Home / 11,992.07-16,549.13-6,687.23

Finding the Fourth Proportional to 11,992.07, 16,549.13 and 6,687.23

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Solution

The fourth proportional to 11,992.07, 16,549.13 and 6,687.23 is: 9,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.07 : 16,549.13 = 6,687.23 : x
  2. Step 2: Convert to fraction form
    11,992.07/16,549.13 = 6,687.23/x
  3. Step 3: Cross multiply
    11,992.07x = 16,549.13 × 6,687.23
  4. Step 4: Simplify right side
    11,992.07x = 110,667,772.58
  5. Step 5: Solve for x
    x = 110,667,772.58/11,992.07
  6. Step 6: Final answer
    x = 9,228.41

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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.