Home / 11,791.23-16,272.12-6,486.03

Finding the Fourth Proportional to 11,791.23, 16,272.12 and 6,486.03

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Solution

The fourth proportional to 11,791.23, 16,272.12 and 6,486.03 is: 8,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.23 : 16,272.12 = 6,486.03 : x
  2. Step 2: Convert to fraction form
    11,791.23/16,272.12 = 6,486.03/x
  3. Step 3: Cross multiply
    11,791.23x = 16,272.12 × 6,486.03
  4. Step 4: Simplify right side
    11,791.23x = 105,541,458.48
  5. Step 5: Solve for x
    x = 105,541,458.48/11,791.23
  6. Step 6: Final answer
    x = 8,950.84

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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.