Home / 11,078.29-15,287.97-6,042.42

Finding the Fourth Proportional to 11,078.29, 15,287.97 and 6,042.42

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Solution

The fourth proportional to 11,078.29, 15,287.97 and 6,042.42 is: 8,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.29 : 15,287.97 = 6,042.42 : x
  2. Step 2: Convert to fraction form
    11,078.29/15,287.97 = 6,042.42/x
  3. Step 3: Cross multiply
    11,078.29x = 15,287.97 × 6,042.42
  4. Step 4: Simplify right side
    11,078.29x = 92,376,335.69
  5. Step 5: Solve for x
    x = 92,376,335.69/11,078.29
  6. Step 6: Final answer
    x = 8,338.50

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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.