Home / 8,451.25-11,662.51-4,674.57

Finding the Fourth Proportional to 8,451.25, 11,662.51 and 4,674.57

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Solution

The fourth proportional to 8,451.25, 11,662.51 and 4,674.57 is: 6,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.25 : 11,662.51 = 4,674.57 : x
  2. Step 2: Convert to fraction form
    8,451.25/11,662.51 = 4,674.57/x
  3. Step 3: Cross multiply
    8,451.25x = 11,662.51 × 4,674.57
  4. Step 4: Simplify right side
    8,451.25x = 54,517,219.37
  5. Step 5: Solve for x
    x = 54,517,219.37/8,451.25
  6. Step 6: Final answer
    x = 6,450.79

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Half scale
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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.