Home / 8,644.32-11,928.30-4,867.38

Finding the Fourth Proportional to 8,644.32, 11,928.30 and 4,867.38

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Solution

The fourth proportional to 8,644.32, 11,928.30 and 4,867.38 is: 6,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.32 : 11,928.30 = 4,867.38 : x
  2. Step 2: Convert to fraction form
    8,644.32/11,928.30 = 4,867.38/x
  3. Step 3: Cross multiply
    8,644.32x = 11,928.30 × 4,867.38
  4. Step 4: Simplify right side
    8,644.32x = 58,059,568.85
  5. Step 5: Solve for x
    x = 58,059,568.85/8,644.32
  6. Step 6: Final answer
    x = 6,716.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.