Home / 11,663.92-17,504.80-4,275.36

Finding the Fourth Proportional to 11,663.92, 17,504.80 and 4,275.36

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Solution

The fourth proportional to 11,663.92, 17,504.80 and 4,275.36 is: 6,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.92 : 17,504.80 = 4,275.36 : x
  2. Step 2: Convert to fraction form
    11,663.92/17,504.80 = 4,275.36/x
  3. Step 3: Cross multiply
    11,663.92x = 17,504.80 × 4,275.36
  4. Step 4: Simplify right side
    11,663.92x = 74,839,321.73
  5. Step 5: Solve for x
    x = 74,839,321.73/11,663.92
  6. Step 6: Final answer
    x = 6,416.31

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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.