Home / 11,109.24-16,671.06-5,272.44

Finding the Fourth Proportional to 11,109.24, 16,671.06 and 5,272.44

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Solution

The fourth proportional to 11,109.24, 16,671.06 and 5,272.44 is: 7,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.24 : 16,671.06 = 5,272.44 : x
  2. Step 2: Convert to fraction form
    11,109.24/16,671.06 = 5,272.44/x
  3. Step 3: Cross multiply
    11,109.24x = 16,671.06 × 5,272.44
  4. Step 4: Simplify right side
    11,109.24x = 87,897,163.59
  5. Step 5: Solve for x
    x = 87,897,163.59/11,109.24
  6. Step 6: Final answer
    x = 7,912.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.