Home / 11,791.49-16,272.01-6,486.22

Finding the Fourth Proportional to 11,791.49, 16,272.01 and 6,486.22

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Solution

The fourth proportional to 11,791.49, 16,272.01 and 6,486.22 is: 8,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.49 : 16,272.01 = 6,486.22 : x
  2. Step 2: Convert to fraction form
    11,791.49/16,272.01 = 6,486.22/x
  3. Step 3: Cross multiply
    11,791.49x = 16,272.01 × 6,486.22
  4. Step 4: Simplify right side
    11,791.49x = 105,543,836.70
  5. Step 5: Solve for x
    x = 105,543,836.70/11,791.49
  6. Step 6: Final answer
    x = 8,950.85

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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.