Home / 11,745.21-17,617.36-3,848.32

Finding the Fourth Proportional to 11,745.21, 17,617.36 and 3,848.32

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Solution

The fourth proportional to 11,745.21, 17,617.36 and 3,848.32 is: 5,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.21 : 17,617.36 = 3,848.32 : x
  2. Step 2: Convert to fraction form
    11,745.21/17,617.36 = 3,848.32/x
  3. Step 3: Cross multiply
    11,745.21x = 17,617.36 × 3,848.32
  4. Step 4: Simplify right side
    11,745.21x = 67,797,185.17
  5. Step 5: Solve for x
    x = 67,797,185.17/11,745.21
  6. Step 6: Final answer
    x = 5,772.33

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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.