Home / 11,486.56-17,227.96-4,089.92

Finding the Fourth Proportional to 11,486.56, 17,227.96 and 4,089.92

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Solution

The fourth proportional to 11,486.56, 17,227.96 and 4,089.92 is: 6,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.56 : 17,227.96 = 4,089.92 : x
  2. Step 2: Convert to fraction form
    11,486.56/17,227.96 = 4,089.92/x
  3. Step 3: Cross multiply
    11,486.56x = 17,227.96 × 4,089.92
  4. Step 4: Simplify right side
    11,486.56x = 70,460,978.16
  5. Step 5: Solve for x
    x = 70,460,978.16/11,486.56
  6. Step 6: Final answer
    x = 6,134.21

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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.