Home / 11,927.57-17,871.44-5,254.13

Finding the Fourth Proportional to 11,927.57, 17,871.44 and 5,254.13

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Solution

The fourth proportional to 11,927.57, 17,871.44 and 5,254.13 is: 7,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.57 : 17,871.44 = 5,254.13 : x
  2. Step 2: Convert to fraction form
    11,927.57/17,871.44 = 5,254.13/x
  3. Step 3: Cross multiply
    11,927.57x = 17,871.44 × 5,254.13
  4. Step 4: Simplify right side
    11,927.57x = 93,898,926.86
  5. Step 5: Solve for x
    x = 93,898,926.86/11,927.57
  6. Step 6: Final answer
    x = 7,872.43

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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.