Home / 9,815.12-13,540.39-5,833.97

Finding the Fourth Proportional to 9,815.12, 13,540.39 and 5,833.97

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Solution

The fourth proportional to 9,815.12, 13,540.39 and 5,833.97 is: 8,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.12 : 13,540.39 = 5,833.97 : x
  2. Step 2: Convert to fraction form
    9,815.12/13,540.39 = 5,833.97/x
  3. Step 3: Cross multiply
    9,815.12x = 13,540.39 × 5,833.97
  4. Step 4: Simplify right side
    9,815.12x = 78,994,229.05
  5. Step 5: Solve for x
    x = 78,994,229.05/9,815.12
  6. Step 6: Final answer
    x = 8,048.22

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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.