Home / 11,305.32-16,956.90-6,920.52

Finding the Fourth Proportional to 11,305.32, 16,956.90 and 6,920.52

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Solution

The fourth proportional to 11,305.32, 16,956.90 and 6,920.52 is: 10,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.32 : 16,956.90 = 6,920.52 : x
  2. Step 2: Convert to fraction form
    11,305.32/16,956.90 = 6,920.52/x
  3. Step 3: Cross multiply
    11,305.32x = 16,956.90 × 6,920.52
  4. Step 4: Simplify right side
    11,305.32x = 117,350,565.59
  5. Step 5: Solve for x
    x = 117,350,565.59/11,305.32
  6. Step 6: Final answer
    x = 10,380.12

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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.