Home / 11,657.06-17,485.55-2,891.96

Finding the Fourth Proportional to 11,657.06, 17,485.55 and 2,891.96

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Solution

The fourth proportional to 11,657.06, 17,485.55 and 2,891.96 is: 4,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.06 : 17,485.55 = 2,891.96 : x
  2. Step 2: Convert to fraction form
    11,657.06/17,485.55 = 2,891.96/x
  3. Step 3: Cross multiply
    11,657.06x = 17,485.55 × 2,891.96
  4. Step 4: Simplify right side
    11,657.06x = 50,567,540.43
  5. Step 5: Solve for x
    x = 50,567,540.43/11,657.06
  6. Step 6: Final answer
    x = 4,337.93

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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.