Home / 11,939.58-16,475.94-6,634.44

Finding the Fourth Proportional to 11,939.58, 16,475.94 and 6,634.44

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Solution

The fourth proportional to 11,939.58, 16,475.94 and 6,634.44 is: 9,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.58 : 16,475.94 = 6,634.44 : x
  2. Step 2: Convert to fraction form
    11,939.58/16,475.94 = 6,634.44/x
  3. Step 3: Cross multiply
    11,939.58x = 16,475.94 × 6,634.44
  4. Step 4: Simplify right side
    11,939.58x = 109,308,635.37
  5. Step 5: Solve for x
    x = 109,308,635.37/11,939.58
  6. Step 6: Final answer
    x = 9,155.15

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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.