Home / 8,175.51-12,267.99-3,792.74

Finding the Fourth Proportional to 8,175.51, 12,267.99 and 3,792.74

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Solution

The fourth proportional to 8,175.51, 12,267.99 and 3,792.74 is: 5,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.51 : 12,267.99 = 3,792.74 : x
  2. Step 2: Convert to fraction form
    8,175.51/12,267.99 = 3,792.74/x
  3. Step 3: Cross multiply
    8,175.51x = 12,267.99 × 3,792.74
  4. Step 4: Simplify right side
    8,175.51x = 46,529,235.05
  5. Step 5: Solve for x
    x = 46,529,235.05/8,175.51
  6. Step 6: Final answer
    x = 5,691.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.