Home / 12,270.96-16,933.88-6,682

Finding the Fourth Proportional to 12,270.96, 16,933.88 and 6,682

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Solution

The fourth proportional to 12,270.96, 16,933.88 and 6,682 is: 9,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.96 : 16,933.88 = 6,682 : x
  2. Step 2: Convert to fraction form
    12,270.96/16,933.88 = 6,682/x
  3. Step 3: Cross multiply
    12,270.96x = 16,933.88 × 6,682
  4. Step 4: Simplify right side
    12,270.96x = 113,152,186.16
  5. Step 5: Solve for x
    x = 113,152,186.16/12,270.96
  6. Step 6: Final answer
    x = 9,221.14

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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.