Home / 11,905.28-17,866.14-4,114.09

Finding the Fourth Proportional to 11,905.28, 17,866.14 and 4,114.09

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Solution

The fourth proportional to 11,905.28, 17,866.14 and 4,114.09 is: 6,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.28 : 17,866.14 = 4,114.09 : x
  2. Step 2: Convert to fraction form
    11,905.28/17,866.14 = 4,114.09/x
  3. Step 3: Cross multiply
    11,905.28x = 17,866.14 × 4,114.09
  4. Step 4: Simplify right side
    11,905.28x = 73,502,914.82
  5. Step 5: Solve for x
    x = 73,502,914.82/11,905.28
  6. Step 6: Final answer
    x = 6,173.98

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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.