Home / 11,415.51-17,120.19-4,396.44

Finding the Fourth Proportional to 11,415.51, 17,120.19 and 4,396.44

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Solution

The fourth proportional to 11,415.51, 17,120.19 and 4,396.44 is: 6,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.51 : 17,120.19 = 4,396.44 : x
  2. Step 2: Convert to fraction form
    11,415.51/17,120.19 = 4,396.44/x
  3. Step 3: Cross multiply
    11,415.51x = 17,120.19 × 4,396.44
  4. Step 4: Simplify right side
    11,415.51x = 75,267,888.12
  5. Step 5: Solve for x
    x = 75,267,888.12/11,415.51
  6. Step 6: Final answer
    x = 6,593.48

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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.