Home / 8,772.66-12,105.68-4,792.94

Finding the Fourth Proportional to 8,772.66, 12,105.68 and 4,792.94

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Solution

The fourth proportional to 8,772.66, 12,105.68 and 4,792.94 is: 6,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.66 : 12,105.68 = 4,792.94 : x
  2. Step 2: Convert to fraction form
    8,772.66/12,105.68 = 4,792.94/x
  3. Step 3: Cross multiply
    8,772.66x = 12,105.68 × 4,792.94
  4. Step 4: Simplify right side
    8,772.66x = 58,021,797.90
  5. Step 5: Solve for x
    x = 58,021,797.90/8,772.66
  6. Step 6: Final answer
    x = 6,613.93

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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.