Home / 11,869.26-17,803.89-4,078.14

Finding the Fourth Proportional to 11,869.26, 17,803.89 and 4,078.14

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Solution

The fourth proportional to 11,869.26, 17,803.89 and 4,078.14 is: 6,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.26 : 17,803.89 = 4,078.14 : x
  2. Step 2: Convert to fraction form
    11,869.26/17,803.89 = 4,078.14/x
  3. Step 3: Cross multiply
    11,869.26x = 17,803.89 × 4,078.14
  4. Step 4: Simplify right side
    11,869.26x = 72,606,755.96
  5. Step 5: Solve for x
    x = 72,606,755.96/11,869.26
  6. Step 6: Final answer
    x = 6,117.21

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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.