Home / 8,424.42-11,625.67-4,839.61

Finding the Fourth Proportional to 8,424.42, 11,625.67 and 4,839.61

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Solution

The fourth proportional to 8,424.42, 11,625.67 and 4,839.61 is: 6,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.42 : 11,625.67 = 4,839.61 : x
  2. Step 2: Convert to fraction form
    8,424.42/11,625.67 = 4,839.61/x
  3. Step 3: Cross multiply
    8,424.42x = 11,625.67 × 4,839.61
  4. Step 4: Simplify right side
    8,424.42x = 56,263,708.79
  5. Step 5: Solve for x
    x = 56,263,708.79/8,424.42
  6. Step 6: Final answer
    x = 6,678.64

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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.