Home / 11,078.41-15,288.14-6,042.54

Finding the Fourth Proportional to 11,078.41, 15,288.14 and 6,042.54

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Solution

The fourth proportional to 11,078.41, 15,288.14 and 6,042.54 is: 8,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.41 : 15,288.14 = 6,042.54 : x
  2. Step 2: Convert to fraction form
    11,078.41/15,288.14 = 6,042.54/x
  3. Step 3: Cross multiply
    11,078.41x = 15,288.14 × 6,042.54
  4. Step 4: Simplify right side
    11,078.41x = 92,379,197.48
  5. Step 5: Solve for x
    x = 92,379,197.48/11,078.41
  6. Step 6: Final answer
    x = 8,338.67

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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.