Home / 11,715.38-17,570.96-3,393.36

Finding the Fourth Proportional to 11,715.38, 17,570.96 and 3,393.36

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Solution

The fourth proportional to 11,715.38, 17,570.96 and 3,393.36 is: 5,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.38 : 17,570.96 = 3,393.36 : x
  2. Step 2: Convert to fraction form
    11,715.38/17,570.96 = 3,393.36/x
  3. Step 3: Cross multiply
    11,715.38x = 17,570.96 × 3,393.36
  4. Step 4: Simplify right side
    11,715.38x = 59,624,592.83
  5. Step 5: Solve for x
    x = 59,624,592.83/11,715.38
  6. Step 6: Final answer
    x = 5,089.43

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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.