Home / 11,992.53-16,550.35-6,687.34

Finding the Fourth Proportional to 11,992.53, 16,550.35 and 6,687.34

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Solution

The fourth proportional to 11,992.53, 16,550.35 and 6,687.34 is: 9,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.53 : 16,550.35 = 6,687.34 : x
  2. Step 2: Convert to fraction form
    11,992.53/16,550.35 = 6,687.34/x
  3. Step 3: Cross multiply
    11,992.53x = 16,550.35 × 6,687.34
  4. Step 4: Simplify right side
    11,992.53x = 110,677,817.57
  5. Step 5: Solve for x
    x = 110,677,817.57/11,992.53
  6. Step 6: Final answer
    x = 9,228.90

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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.