Home / 12,028.30-16,599-6,723.13

Finding the Fourth Proportional to 12,028.30, 16,599 and 6,723.13

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Solution

The fourth proportional to 12,028.30, 16,599 and 6,723.13 is: 9,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.30 : 16,599 = 6,723.13 : x
  2. Step 2: Convert to fraction form
    12,028.30/16,599 = 6,723.13/x
  3. Step 3: Cross multiply
    12,028.30x = 16,599 × 6,723.13
  4. Step 4: Simplify right side
    12,028.30x = 111,597,234.87
  5. Step 5: Solve for x
    x = 111,597,234.87/12,028.30
  6. Step 6: Final answer
    x = 9,277.89

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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.