Home / 9,847.75-13,589.91-5,371.52

Finding the Fourth Proportional to 9,847.75, 13,589.91 and 5,371.52

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Solution

The fourth proportional to 9,847.75, 13,589.91 and 5,371.52 is: 7,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.75 : 13,589.91 = 5,371.52 : x
  2. Step 2: Convert to fraction form
    9,847.75/13,589.91 = 5,371.52/x
  3. Step 3: Cross multiply
    9,847.75x = 13,589.91 × 5,371.52
  4. Step 4: Simplify right side
    9,847.75x = 72,998,473.36
  5. Step 5: Solve for x
    x = 72,998,473.36/9,847.75
  6. Step 6: Final answer
    x = 7,412.71

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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.