Home / 11,171.26-15,416.81-6,694.17

Finding the Fourth Proportional to 11,171.26, 15,416.81 and 6,694.17

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Solution

The fourth proportional to 11,171.26, 15,416.81 and 6,694.17 is: 9,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.26 : 15,416.81 = 6,694.17 : x
  2. Step 2: Convert to fraction form
    11,171.26/15,416.81 = 6,694.17/x
  3. Step 3: Cross multiply
    11,171.26x = 15,416.81 × 6,694.17
  4. Step 4: Simplify right side
    11,171.26x = 103,202,747.00
  5. Step 5: Solve for x
    x = 103,202,747.00/11,171.26
  6. Step 6: Final answer
    x = 9,238.24

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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.