Home / 11,416.88-17,123.48-3,623.92

Finding the Fourth Proportional to 11,416.88, 17,123.48 and 3,623.92

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Solution

The fourth proportional to 11,416.88, 17,123.48 and 3,623.92 is: 5,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.88 : 17,123.48 = 3,623.92 : x
  2. Step 2: Convert to fraction form
    11,416.88/17,123.48 = 3,623.92/x
  3. Step 3: Cross multiply
    11,416.88x = 17,123.48 × 3,623.92
  4. Step 4: Simplify right side
    11,416.88x = 62,054,121.64
  5. Step 5: Solve for x
    x = 62,054,121.64/11,416.88
  6. Step 6: Final answer
    x = 5,435.30

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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.