Home / 11,458.72-17,185.28-3,665.92

Finding the Fourth Proportional to 11,458.72, 17,185.28 and 3,665.92

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Solution

The fourth proportional to 11,458.72, 17,185.28 and 3,665.92 is: 5,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.72 : 17,185.28 = 3,665.92 : x
  2. Step 2: Convert to fraction form
    11,458.72/17,185.28 = 3,665.92/x
  3. Step 3: Cross multiply
    11,458.72x = 17,185.28 × 3,665.92
  4. Step 4: Simplify right side
    11,458.72x = 62,999,861.66
  5. Step 5: Solve for x
    x = 62,999,861.66/11,458.72
  6. Step 6: Final answer
    x = 5,497.98

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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.