Home / 11,725.11-16,182.20-6,688.18

Finding the Fourth Proportional to 11,725.11, 16,182.20 and 6,688.18

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Solution

The fourth proportional to 11,725.11, 16,182.20 and 6,688.18 is: 9,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.11 : 16,182.20 = 6,688.18 : x
  2. Step 2: Convert to fraction form
    11,725.11/16,182.20 = 6,688.18/x
  3. Step 3: Cross multiply
    11,725.11x = 16,182.20 × 6,688.18
  4. Step 4: Simplify right side
    11,725.11x = 108,229,352.04
  5. Step 5: Solve for x
    x = 108,229,352.04/11,725.11
  6. Step 6: Final answer
    x = 9,230.56

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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.