Home / 11,949.68-16,487.88-7,233.86

Finding the Fourth Proportional to 11,949.68, 16,487.88 and 7,233.86

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Solution

The fourth proportional to 11,949.68, 16,487.88 and 7,233.86 is: 9,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.68 : 16,487.88 = 7,233.86 : x
  2. Step 2: Convert to fraction form
    11,949.68/16,487.88 = 7,233.86/x
  3. Step 3: Cross multiply
    11,949.68x = 16,487.88 × 7,233.86
  4. Step 4: Simplify right side
    11,949.68x = 119,271,015.62
  5. Step 5: Solve for x
    x = 119,271,015.62/11,949.68
  6. Step 6: Final answer
    x = 9,981.11

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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.