Home / 11,717.36-17,570.37-4,325.30

Finding the Fourth Proportional to 11,717.36, 17,570.37 and 4,325.30

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Solution

The fourth proportional to 11,717.36, 17,570.37 and 4,325.30 is: 6,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.36 : 17,570.37 = 4,325.30 : x
  2. Step 2: Convert to fraction form
    11,717.36/17,570.37 = 4,325.30/x
  3. Step 3: Cross multiply
    11,717.36x = 17,570.37 × 4,325.30
  4. Step 4: Simplify right side
    11,717.36x = 75,997,121.36
  5. Step 5: Solve for x
    x = 75,997,121.36/11,717.36
  6. Step 6: Final answer
    x = 6,485.86

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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.