Home / 11,669.59-17,511.68-4,744.09

Finding the Fourth Proportional to 11,669.59, 17,511.68 and 4,744.09

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Solution

The fourth proportional to 11,669.59, 17,511.68 and 4,744.09 is: 7,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.59 : 17,511.68 = 4,744.09 : x
  2. Step 2: Convert to fraction form
    11,669.59/17,511.68 = 4,744.09/x
  3. Step 3: Cross multiply
    11,669.59x = 17,511.68 × 4,744.09
  4. Step 4: Simplify right side
    11,669.59x = 83,076,985.97
  5. Step 5: Solve for x
    x = 83,076,985.97/11,669.59
  6. Step 6: Final answer
    x = 7,119.10

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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.