Home / 11,227.15-15,493.46-6,447.41

Finding the Fourth Proportional to 11,227.15, 15,493.46 and 6,447.41

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Solution

The fourth proportional to 11,227.15, 15,493.46 and 6,447.41 is: 8,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.15 : 15,493.46 = 6,447.41 : x
  2. Step 2: Convert to fraction form
    11,227.15/15,493.46 = 6,447.41/x
  3. Step 3: Cross multiply
    11,227.15x = 15,493.46 × 6,447.41
  4. Step 4: Simplify right side
    11,227.15x = 99,892,673.60
  5. Step 5: Solve for x
    x = 99,892,673.60/11,227.15
  6. Step 6: Final answer
    x = 8,897.42

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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.