Home / 11,913.74-17,864.82-3,592.20

Finding the Fourth Proportional to 11,913.74, 17,864.82 and 3,592.20

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Solution

The fourth proportional to 11,913.74, 17,864.82 and 3,592.20 is: 5,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.74 : 17,864.82 = 3,592.20 : x
  2. Step 2: Convert to fraction form
    11,913.74/17,864.82 = 3,592.20/x
  3. Step 3: Cross multiply
    11,913.74x = 17,864.82 × 3,592.20
  4. Step 4: Simplify right side
    11,913.74x = 64,174,006.40
  5. Step 5: Solve for x
    x = 64,174,006.40/11,913.74
  6. Step 6: Final answer
    x = 5,386.56

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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.