Home / 10,212.78-14,093.28-6,240.54

Finding the Fourth Proportional to 10,212.78, 14,093.28 and 6,240.54

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Solution

The fourth proportional to 10,212.78, 14,093.28 and 6,240.54 is: 8,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.78 : 14,093.28 = 6,240.54 : x
  2. Step 2: Convert to fraction form
    10,212.78/14,093.28 = 6,240.54/x
  3. Step 3: Cross multiply
    10,212.78x = 14,093.28 × 6,240.54
  4. Step 4: Simplify right side
    10,212.78x = 87,949,677.57
  5. Step 5: Solve for x
    x = 87,949,677.57/10,212.78
  6. Step 6: Final answer
    x = 8,611.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.