Home / 8,440.42-12,634.05-5,792.44

Finding the Fourth Proportional to 8,440.42, 12,634.05 and 5,792.44

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Solution

The fourth proportional to 8,440.42, 12,634.05 and 5,792.44 is: 8,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.42 : 12,634.05 = 5,792.44 : x
  2. Step 2: Convert to fraction form
    8,440.42/12,634.05 = 5,792.44/x
  3. Step 3: Cross multiply
    8,440.42x = 12,634.05 × 5,792.44
  4. Step 4: Simplify right side
    8,440.42x = 73,181,976.58
  5. Step 5: Solve for x
    x = 73,181,976.58/8,440.42
  6. Step 6: Final answer
    x = 8,670.42

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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.