Home / 11,157.06-16,735.60-4,231.56

Finding the Fourth Proportional to 11,157.06, 16,735.60 and 4,231.56

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Solution

The fourth proportional to 11,157.06, 16,735.60 and 4,231.56 is: 6,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.06 : 16,735.60 = 4,231.56 : x
  2. Step 2: Convert to fraction form
    11,157.06/16,735.60 = 4,231.56/x
  3. Step 3: Cross multiply
    11,157.06x = 16,735.60 × 4,231.56
  4. Step 4: Simplify right side
    11,157.06x = 70,817,726.80
  5. Step 5: Solve for x
    x = 70,817,726.80/11,157.06
  6. Step 6: Final answer
    x = 6,347.35

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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.