Home / 10,930.41-15,083.60-6,150.45

Finding the Fourth Proportional to 10,930.41, 15,083.60 and 6,150.45

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Solution

The fourth proportional to 10,930.41, 15,083.60 and 6,150.45 is: 8,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.41 : 15,083.60 = 6,150.45 : x
  2. Step 2: Convert to fraction form
    10,930.41/15,083.60 = 6,150.45/x
  3. Step 3: Cross multiply
    10,930.41x = 15,083.60 × 6,150.45
  4. Step 4: Simplify right side
    10,930.41x = 92,770,896.87
  5. Step 5: Solve for x
    x = 92,770,896.87/10,930.41
  6. Step 6: Final answer
    x = 8,487.41

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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.