Home / 10,822.02-16,234.62-3,424.80

Finding the Fourth Proportional to 10,822.02, 16,234.62 and 3,424.80

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Solution

The fourth proportional to 10,822.02, 16,234.62 and 3,424.80 is: 5,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.02 : 16,234.62 = 3,424.80 : x
  2. Step 2: Convert to fraction form
    10,822.02/16,234.62 = 3,424.80/x
  3. Step 3: Cross multiply
    10,822.02x = 16,234.62 × 3,424.80
  4. Step 4: Simplify right side
    10,822.02x = 55,600,326.58
  5. Step 5: Solve for x
    x = 55,600,326.58/10,822.02
  6. Step 6: Final answer
    x = 5,137.70

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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.