Home / 11,216.78-16,825.30-4,804.49

Finding the Fourth Proportional to 11,216.78, 16,825.30 and 4,804.49

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Solution

The fourth proportional to 11,216.78, 16,825.30 and 4,804.49 is: 7,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.78 : 16,825.30 = 4,804.49 : x
  2. Step 2: Convert to fraction form
    11,216.78/16,825.30 = 4,804.49/x
  3. Step 3: Cross multiply
    11,216.78x = 16,825.30 × 4,804.49
  4. Step 4: Simplify right side
    11,216.78x = 80,836,985.60
  5. Step 5: Solve for x
    x = 80,836,985.60/11,216.78
  6. Step 6: Final answer
    x = 7,206.79

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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.