Home / 8,644.15-11,928.77-4,867.30

Finding the Fourth Proportional to 8,644.15, 11,928.77 and 4,867.30

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Solution

The fourth proportional to 8,644.15, 11,928.77 and 4,867.30 is: 6,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.15 : 11,928.77 = 4,867.30 : x
  2. Step 2: Convert to fraction form
    8,644.15/11,928.77 = 4,867.30/x
  3. Step 3: Cross multiply
    8,644.15x = 11,928.77 × 4,867.30
  4. Step 4: Simplify right side
    8,644.15x = 58,060,911.05
  5. Step 5: Solve for x
    x = 58,060,911.05/8,644.15
  6. Step 6: Final answer
    x = 6,716.79

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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.