Home / 11,356.75-17,037.40-3,959.22

Finding the Fourth Proportional to 11,356.75, 17,037.40 and 3,959.22

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Solution

The fourth proportional to 11,356.75, 17,037.40 and 3,959.22 is: 5,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.75 : 17,037.40 = 3,959.22 : x
  2. Step 2: Convert to fraction form
    11,356.75/17,037.40 = 3,959.22/x
  3. Step 3: Cross multiply
    11,356.75x = 17,037.40 × 3,959.22
  4. Step 4: Simplify right side
    11,356.75x = 67,454,814.83
  5. Step 5: Solve for x
    x = 67,454,814.83/11,356.75
  6. Step 6: Final answer
    x = 5,939.62

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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.