Home / 11,432.21-17,147.84-3,534.39

Finding the Fourth Proportional to 11,432.21, 17,147.84 and 3,534.39

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Solution

The fourth proportional to 11,432.21, 17,147.84 and 3,534.39 is: 5,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.21 : 17,147.84 = 3,534.39 : x
  2. Step 2: Convert to fraction form
    11,432.21/17,147.84 = 3,534.39/x
  3. Step 3: Cross multiply
    11,432.21x = 17,147.84 × 3,534.39
  4. Step 4: Simplify right side
    11,432.21x = 60,607,136.55
  5. Step 5: Solve for x
    x = 60,607,136.55/11,432.21
  6. Step 6: Final answer
    x = 5,301.44

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1.5x scale

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.