Home / 11,905.38-17,866.17-4,114.13

Finding the Fourth Proportional to 11,905.38, 17,866.17 and 4,114.13

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Solution

The fourth proportional to 11,905.38, 17,866.17 and 4,114.13 is: 6,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.38 : 17,866.17 = 4,114.13 : x
  2. Step 2: Convert to fraction form
    11,905.38/17,866.17 = 4,114.13/x
  3. Step 3: Cross multiply
    11,905.38x = 17,866.17 × 4,114.13
  4. Step 4: Simplify right side
    11,905.38x = 73,503,656.65
  5. Step 5: Solve for x
    x = 73,503,656.65/11,905.38
  6. Step 6: Final answer
    x = 6,173.99

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1.5x scale

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.