Home / 11,963.04-16,511.52-8,193.84

Finding the Fourth Proportional to 11,963.04, 16,511.52 and 8,193.84

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Solution

The fourth proportional to 11,963.04, 16,511.52 and 8,193.84 is: 11,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.04 : 16,511.52 = 8,193.84 : x
  2. Step 2: Convert to fraction form
    11,963.04/16,511.52 = 8,193.84/x
  3. Step 3: Cross multiply
    11,963.04x = 16,511.52 × 8,193.84
  4. Step 4: Simplify right side
    11,963.04x = 135,292,753.04
  5. Step 5: Solve for x
    x = 135,292,753.04/11,963.04
  6. Step 6: Final answer
    x = 11,309.23

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1.5x scale

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.