Home / 11,611.44-17,415.54-4,217.76

Finding the Fourth Proportional to 11,611.44, 17,415.54 and 4,217.76

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Solution

The fourth proportional to 11,611.44, 17,415.54 and 4,217.76 is: 6,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.44 : 17,415.54 = 4,217.76 : x
  2. Step 2: Convert to fraction form
    11,611.44/17,415.54 = 4,217.76/x
  3. Step 3: Cross multiply
    11,611.44x = 17,415.54 × 4,217.76
  4. Step 4: Simplify right side
    11,611.44x = 73,454,567.99
  5. Step 5: Solve for x
    x = 73,454,567.99/11,611.44
  6. Step 6: Final answer
    x = 6,326.05

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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.