Home / 8,694.06-11,997.78-4,715.10

Finding the Fourth Proportional to 8,694.06, 11,997.78 and 4,715.10

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Solution

The fourth proportional to 8,694.06, 11,997.78 and 4,715.10 is: 6,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.06 : 11,997.78 = 4,715.10 : x
  2. Step 2: Convert to fraction form
    8,694.06/11,997.78 = 4,715.10/x
  3. Step 3: Cross multiply
    8,694.06x = 11,997.78 × 4,715.10
  4. Step 4: Simplify right side
    8,694.06x = 56,570,732.48
  5. Step 5: Solve for x
    x = 56,570,732.48/8,694.06
  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.