Home / 11,023.97-15,212.88-6,243.85

Finding the Fourth Proportional to 11,023.97, 15,212.88 and 6,243.85

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Solution

The fourth proportional to 11,023.97, 15,212.88 and 6,243.85 is: 8,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.97 : 15,212.88 = 6,243.85 : x
  2. Step 2: Convert to fraction form
    11,023.97/15,212.88 = 6,243.85/x
  3. Step 3: Cross multiply
    11,023.97x = 15,212.88 × 6,243.85
  4. Step 4: Simplify right side
    11,023.97x = 94,986,940.79
  5. Step 5: Solve for x
    x = 94,986,940.79/11,023.97
  6. Step 6: Final answer
    x = 8,616.40

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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.