Home / 8,694.12-11,997.72-4,715.16

Finding the Fourth Proportional to 8,694.12, 11,997.72 and 4,715.16

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Solution

The fourth proportional to 8,694.12, 11,997.72 and 4,715.16 is: 6,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.12 : 11,997.72 = 4,715.16 : x
  2. Step 2: Convert to fraction form
    8,694.12/11,997.72 = 4,715.16/x
  3. Step 3: Cross multiply
    8,694.12x = 11,997.72 × 4,715.16
  4. Step 4: Simplify right side
    8,694.12x = 56,571,169.44
  5. Step 5: Solve for x
    x = 56,571,169.44/8,694.12
  6. Step 6: Final answer
    x = 6,506.83

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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.