Home / 11,471.31-17,192.40-6,271.11

Finding the Fourth Proportional to 11,471.31, 17,192.40 and 6,271.11

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Solution

The fourth proportional to 11,471.31, 17,192.40 and 6,271.11 is: 9,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.31 : 17,192.40 = 6,271.11 : x
  2. Step 2: Convert to fraction form
    11,471.31/17,192.40 = 6,271.11/x
  3. Step 3: Cross multiply
    11,471.31x = 17,192.40 × 6,271.11
  4. Step 4: Simplify right side
    11,471.31x = 107,815,431.56
  5. Step 5: Solve for x
    x = 107,815,431.56/11,471.31
  6. Step 6: Final answer
    x = 9,398.70

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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.