Home / 11,927.31-17,899.17-4,136.12

Finding the Fourth Proportional to 11,927.31, 17,899.17 and 4,136.12

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Solution

The fourth proportional to 11,927.31, 17,899.17 and 4,136.12 is: 6,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.31 : 17,899.17 = 4,136.12 : x
  2. Step 2: Convert to fraction form
    11,927.31/17,899.17 = 4,136.12/x
  3. Step 3: Cross multiply
    11,927.31x = 17,899.17 × 4,136.12
  4. Step 4: Simplify right side
    11,927.31x = 74,033,159.77
  5. Step 5: Solve for x
    x = 74,033,159.77/11,927.31
  6. Step 6: Final answer
    x = 6,207.03

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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.