Home / 11,455.24-17,185.56-3,557.36

Finding the Fourth Proportional to 11,455.24, 17,185.56 and 3,557.36

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Solution

The fourth proportional to 11,455.24, 17,185.56 and 3,557.36 is: 5,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.24 : 17,185.56 = 3,557.36 : x
  2. Step 2: Convert to fraction form
    11,455.24/17,185.56 = 3,557.36/x
  3. Step 3: Cross multiply
    11,455.24x = 17,185.56 × 3,557.36
  4. Step 4: Simplify right side
    11,455.24x = 61,135,223.72
  5. Step 5: Solve for x
    x = 61,135,223.72/11,455.24
  6. Step 6: Final answer
    x = 5,336.88

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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.