Home / 11,724.75-16,180.23-6,688.92

Finding the Fourth Proportional to 11,724.75, 16,180.23 and 6,688.92

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Solution

The fourth proportional to 11,724.75, 16,180.23 and 6,688.92 is: 9,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.75 : 16,180.23 = 6,688.92 : x
  2. Step 2: Convert to fraction form
    11,724.75/16,180.23 = 6,688.92/x
  3. Step 3: Cross multiply
    11,724.75x = 16,180.23 × 6,688.92
  4. Step 4: Simplify right side
    11,724.75x = 108,228,217.23
  5. Step 5: Solve for x
    x = 108,228,217.23/11,724.75
  6. Step 6: Final answer
    x = 9,230.75

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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.