Home / 11,431.64-17,148.80-4,034.56

Finding the Fourth Proportional to 11,431.64, 17,148.80 and 4,034.56

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Solution

The fourth proportional to 11,431.64, 17,148.80 and 4,034.56 is: 6,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.64 : 17,148.80 = 4,034.56 : x
  2. Step 2: Convert to fraction form
    11,431.64/17,148.80 = 4,034.56/x
  3. Step 3: Cross multiply
    11,431.64x = 17,148.80 × 4,034.56
  4. Step 4: Simplify right side
    11,431.64x = 69,187,862.53
  5. Step 5: Solve for x
    x = 69,187,862.53/11,431.64
  6. Step 6: Final answer
    x = 6,052.31

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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.