Home / 8,212.16-11,333.68-4,674.80

Finding the Fourth Proportional to 8,212.16, 11,333.68 and 4,674.80

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Solution

The fourth proportional to 8,212.16, 11,333.68 and 4,674.80 is: 6,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.16 : 11,333.68 = 4,674.80 : x
  2. Step 2: Convert to fraction form
    8,212.16/11,333.68 = 4,674.80/x
  3. Step 3: Cross multiply
    8,212.16x = 11,333.68 × 4,674.80
  4. Step 4: Simplify right side
    8,212.16x = 52,982,687.26
  5. Step 5: Solve for x
    x = 52,982,687.26/8,212.16
  6. Step 6: Final answer
    x = 6,451.74

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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.