Home / 7,867.26-11,800.89-5,394.58

Finding the Fourth Proportional to 7,867.26, 11,800.89 and 5,394.58

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Solution

The fourth proportional to 7,867.26, 11,800.89 and 5,394.58 is: 8,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.26 : 11,800.89 = 5,394.58 : x
  2. Step 2: Convert to fraction form
    7,867.26/11,800.89 = 5,394.58/x
  3. Step 3: Cross multiply
    7,867.26x = 11,800.89 × 5,394.58
  4. Step 4: Simplify right side
    7,867.26x = 63,660,845.18
  5. Step 5: Solve for x
    x = 63,660,845.18/7,867.26
  6. Step 6: Final answer
    x = 8,091.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.