Home / 11,917.46-17,876.26-3,152.28

Finding the Fourth Proportional to 11,917.46, 17,876.26 and 3,152.28

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Solution

The fourth proportional to 11,917.46, 17,876.26 and 3,152.28 is: 4,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.46 : 17,876.26 = 3,152.28 : x
  2. Step 2: Convert to fraction form
    11,917.46/17,876.26 = 3,152.28/x
  3. Step 3: Cross multiply
    11,917.46x = 17,876.26 × 3,152.28
  4. Step 4: Simplify right side
    11,917.46x = 56,350,976.87
  5. Step 5: Solve for x
    x = 56,350,976.87/11,917.46
  6. Step 6: Final answer
    x = 4,728.44

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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.