Home / 11,916.97-17,869.68-3,595.45

Finding the Fourth Proportional to 11,916.97, 17,869.68 and 3,595.45

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Solution

The fourth proportional to 11,916.97, 17,869.68 and 3,595.45 is: 5,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.97 : 17,869.68 = 3,595.45 : x
  2. Step 2: Convert to fraction form
    11,916.97/17,869.68 = 3,595.45/x
  3. Step 3: Cross multiply
    11,916.97x = 17,869.68 × 3,595.45
  4. Step 4: Simplify right side
    11,916.97x = 64,249,540.96
  5. Step 5: Solve for x
    x = 64,249,540.96/11,916.97
  6. Step 6: Final answer
    x = 5,391.43

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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.