Home / 11,451.36-17,175.78-3,659.16

Finding the Fourth Proportional to 11,451.36, 17,175.78 and 3,659.16

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Solution

The fourth proportional to 11,451.36, 17,175.78 and 3,659.16 is: 5,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.36 : 17,175.78 = 3,659.16 : x
  2. Step 2: Convert to fraction form
    11,451.36/17,175.78 = 3,659.16/x
  3. Step 3: Cross multiply
    11,451.36x = 17,175.78 × 3,659.16
  4. Step 4: Simplify right side
    11,451.36x = 62,848,927.14
  5. Step 5: Solve for x
    x = 62,848,927.14/11,451.36
  6. Step 6: Final answer
    x = 5,488.34

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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.