Home / 11,843.31-16,343.67-6,538.08

Finding the Fourth Proportional to 11,843.31, 16,343.67 and 6,538.08

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Solution

The fourth proportional to 11,843.31, 16,343.67 and 6,538.08 is: 9,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.31 : 16,343.67 = 6,538.08 : x
  2. Step 2: Convert to fraction form
    11,843.31/16,343.67 = 6,538.08/x
  3. Step 3: Cross multiply
    11,843.31x = 16,343.67 × 6,538.08
  4. Step 4: Simplify right side
    11,843.31x = 106,856,221.95
  5. Step 5: Solve for x
    x = 106,856,221.95/11,843.31
  6. Step 6: Final answer
    x = 9,022.50

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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.