Home / 11,490.74-17,232.77-5,247.44

Finding the Fourth Proportional to 11,490.74, 17,232.77 and 5,247.44

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Solution

The fourth proportional to 11,490.74, 17,232.77 and 5,247.44 is: 7,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.74 : 17,232.77 = 5,247.44 : x
  2. Step 2: Convert to fraction form
    11,490.74/17,232.77 = 5,247.44/x
  3. Step 3: Cross multiply
    11,490.74x = 17,232.77 × 5,247.44
  4. Step 4: Simplify right side
    11,490.74x = 90,427,853.56
  5. Step 5: Solve for x
    x = 90,427,853.56/11,490.74
  6. Step 6: Final answer
    x = 7,869.63

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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.