Home / 11,148.62-15,384.68-6,112.73

Finding the Fourth Proportional to 11,148.62, 15,384.68 and 6,112.73

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Solution

The fourth proportional to 11,148.62, 15,384.68 and 6,112.73 is: 8,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.62 : 15,384.68 = 6,112.73 : x
  2. Step 2: Convert to fraction form
    11,148.62/15,384.68 = 6,112.73/x
  3. Step 3: Cross multiply
    11,148.62x = 15,384.68 × 6,112.73
  4. Step 4: Simplify right side
    11,148.62x = 94,042,333.33
  5. Step 5: Solve for x
    x = 94,042,333.33/11,148.62
  6. Step 6: Final answer
    x = 8,435.33

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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.