Home / 11,699.71-17,552.54-3,380.36

Finding the Fourth Proportional to 11,699.71, 17,552.54 and 3,380.36

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Solution

The fourth proportional to 11,699.71, 17,552.54 and 3,380.36 is: 5,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.71 : 17,552.54 = 3,380.36 : x
  2. Step 2: Convert to fraction form
    11,699.71/17,552.54 = 3,380.36/x
  3. Step 3: Cross multiply
    11,699.71x = 17,552.54 × 3,380.36
  4. Step 4: Simplify right side
    11,699.71x = 59,333,824.80
  5. Step 5: Solve for x
    x = 59,333,824.80/11,699.71
  6. Step 6: Final answer
    x = 5,071.39

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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.