Home / 7,391.12-11,086.28-4,468.64

Finding the Fourth Proportional to 7,391.12, 11,086.28 and 4,468.64

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Solution

The fourth proportional to 7,391.12, 11,086.28 and 4,468.64 is: 6,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.12 : 11,086.28 = 4,468.64 : x
  2. Step 2: Convert to fraction form
    7,391.12/11,086.28 = 4,468.64/x
  3. Step 3: Cross multiply
    7,391.12x = 11,086.28 × 4,468.64
  4. Step 4: Simplify right side
    7,391.12x = 49,540,571.92
  5. Step 5: Solve for x
    x = 49,540,571.92/7,391.12
  6. Step 6: Final answer
    x = 6,702.72

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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.