Home / 11,611.11-17,415.03-3,714.21

Finding the Fourth Proportional to 11,611.11, 17,415.03 and 3,714.21

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Solution

The fourth proportional to 11,611.11, 17,415.03 and 3,714.21 is: 5,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.11 : 17,415.03 = 3,714.21 : x
  2. Step 2: Convert to fraction form
    11,611.11/17,415.03 = 3,714.21/x
  3. Step 3: Cross multiply
    11,611.11x = 17,415.03 × 3,714.21
  4. Step 4: Simplify right side
    11,611.11x = 64,683,078.58
  5. Step 5: Solve for x
    x = 64,683,078.58/11,611.11
  6. Step 6: Final answer
    x = 5,570.79

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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.