Home / 11,801.22-17,704.86-3,480.90

Finding the Fourth Proportional to 11,801.22, 17,704.86 and 3,480.90

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Solution

The fourth proportional to 11,801.22, 17,704.86 and 3,480.90 is: 5,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.22 : 17,704.86 = 3,480.90 : x
  2. Step 2: Convert to fraction form
    11,801.22/17,704.86 = 3,480.90/x
  3. Step 3: Cross multiply
    11,801.22x = 17,704.86 × 3,480.90
  4. Step 4: Simplify right side
    11,801.22x = 61,628,847.17
  5. Step 5: Solve for x
    x = 61,628,847.17/11,801.22
  6. Step 6: Final answer
    x = 5,222.24

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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.