Home / 7,869.31-11,805.99-2,322.43

Finding the Fourth Proportional to 7,869.31, 11,805.99 and 2,322.43

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Solution

The fourth proportional to 7,869.31, 11,805.99 and 2,322.43 is: 3,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.31 : 11,805.99 = 2,322.43 : x
  2. Step 2: Convert to fraction form
    7,869.31/11,805.99 = 2,322.43/x
  3. Step 3: Cross multiply
    7,869.31x = 11,805.99 × 2,322.43
  4. Step 4: Simplify right side
    7,869.31x = 27,418,585.36
  5. Step 5: Solve for x
    x = 27,418,585.36/7,869.31
  6. Step 6: Final answer
    x = 3,484.24

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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.