Home / 11,408.55-17,104.53-7,701.63

Finding the Fourth Proportional to 11,408.55, 17,104.53 and 7,701.63

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Solution

The fourth proportional to 11,408.55, 17,104.53 and 7,701.63 is: 11,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.55 : 17,104.53 = 7,701.63 : x
  2. Step 2: Convert to fraction form
    11,408.55/17,104.53 = 7,701.63/x
  3. Step 3: Cross multiply
    11,408.55x = 17,104.53 × 7,701.63
  4. Step 4: Simplify right side
    11,408.55x = 131,732,761.38
  5. Step 5: Solve for x
    x = 131,732,761.38/11,408.55
  6. Step 6: Final answer
    x = 11,546.85

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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.