Home / 9,480.91-13,083.92-5,289.43

Finding the Fourth Proportional to 9,480.91, 13,083.92 and 5,289.43

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Solution

The fourth proportional to 9,480.91, 13,083.92 and 5,289.43 is: 7,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.91 : 13,083.92 = 5,289.43 : x
  2. Step 2: Convert to fraction form
    9,480.91/13,083.92 = 5,289.43/x
  3. Step 3: Cross multiply
    9,480.91x = 13,083.92 × 5,289.43
  4. Step 4: Simplify right side
    9,480.91x = 69,206,478.97
  5. Step 5: Solve for x
    x = 69,206,478.97/9,480.91
  6. Step 6: Final answer
    x = 7,299.56

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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.