Home / 11,310.25-16,966.68-4,295.52

Finding the Fourth Proportional to 11,310.25, 16,966.68 and 4,295.52

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Solution

The fourth proportional to 11,310.25, 16,966.68 and 4,295.52 is: 6,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.25 : 16,966.68 = 4,295.52 : x
  2. Step 2: Convert to fraction form
    11,310.25/16,966.68 = 4,295.52/x
  3. Step 3: Cross multiply
    11,310.25x = 16,966.68 × 4,295.52
  4. Step 4: Simplify right side
    11,310.25x = 72,880,679.35
  5. Step 5: Solve for x
    x = 72,880,679.35/11,310.25
  6. Step 6: Final answer
    x = 6,443.78

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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.