Home / 11,340.64-17,011.82-3,020.62

Finding the Fourth Proportional to 11,340.64, 17,011.82 and 3,020.62

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Solution

The fourth proportional to 11,340.64, 17,011.82 and 3,020.62 is: 4,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.64 : 17,011.82 = 3,020.62 : x
  2. Step 2: Convert to fraction form
    11,340.64/17,011.82 = 3,020.62/x
  3. Step 3: Cross multiply
    11,340.64x = 17,011.82 × 3,020.62
  4. Step 4: Simplify right side
    11,340.64x = 51,386,243.73
  5. Step 5: Solve for x
    x = 51,386,243.73/11,340.64
  6. Step 6: Final answer
    x = 4,531.16

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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.