Home / 11,408.61-17,114.56-3,511.80

Finding the Fourth Proportional to 11,408.61, 17,114.56 and 3,511.80

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Solution

The fourth proportional to 11,408.61, 17,114.56 and 3,511.80 is: 5,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.61 : 17,114.56 = 3,511.80 : x
  2. Step 2: Convert to fraction form
    11,408.61/17,114.56 = 3,511.80/x
  3. Step 3: Cross multiply
    11,408.61x = 17,114.56 × 3,511.80
  4. Step 4: Simplify right side
    11,408.61x = 60,102,851.46
  5. Step 5: Solve for x
    x = 60,102,851.46/11,408.61
  6. Step 6: Final answer
    x = 5,268.20

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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.