Home / 7,517.67-11,261.10-4,223.85

Finding the Fourth Proportional to 7,517.67, 11,261.10 and 4,223.85

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Solution

The fourth proportional to 7,517.67, 11,261.10 and 4,223.85 is: 6,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.67 : 11,261.10 = 4,223.85 : x
  2. Step 2: Convert to fraction form
    7,517.67/11,261.10 = 4,223.85/x
  3. Step 3: Cross multiply
    7,517.67x = 11,261.10 × 4,223.85
  4. Step 4: Simplify right side
    7,517.67x = 47,565,197.24
  5. Step 5: Solve for x
    x = 47,565,197.24/7,517.67
  6. Step 6: Final answer
    x = 6,327.12

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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.