Home / 8,236.60-11,366.06-4,879.72

Finding the Fourth Proportional to 8,236.60, 11,366.06 and 4,879.72

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Solution

The fourth proportional to 8,236.60, 11,366.06 and 4,879.72 is: 6,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.60 : 11,366.06 = 4,879.72 : x
  2. Step 2: Convert to fraction form
    8,236.60/11,366.06 = 4,879.72/x
  3. Step 3: Cross multiply
    8,236.60x = 11,366.06 × 4,879.72
  4. Step 4: Simplify right side
    8,236.60x = 55,463,180.11
  5. Step 5: Solve for x
    x = 55,463,180.11/8,236.60
  6. Step 6: Final answer
    x = 6,733.75

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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.