Home / 11,690.28-17,538.12-3,370.41

Finding the Fourth Proportional to 11,690.28, 17,538.12 and 3,370.41

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Solution

The fourth proportional to 11,690.28, 17,538.12 and 3,370.41 is: 5,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.28 : 17,538.12 = 3,370.41 : x
  2. Step 2: Convert to fraction form
    11,690.28/17,538.12 = 3,370.41/x
  3. Step 3: Cross multiply
    11,690.28x = 17,538.12 × 3,370.41
  4. Step 4: Simplify right side
    11,690.28x = 59,110,655.03
  5. Step 5: Solve for x
    x = 59,110,655.03/11,690.28
  6. Step 6: Final answer
    x = 5,056.39

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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.