Home / 11,320.62-16,956.33-6,924.78

Finding the Fourth Proportional to 11,320.62, 16,956.33 and 6,924.78

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Solution

The fourth proportional to 11,320.62, 16,956.33 and 6,924.78 is: 10,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.62 : 16,956.33 = 6,924.78 : x
  2. Step 2: Convert to fraction form
    11,320.62/16,956.33 = 6,924.78/x
  3. Step 3: Cross multiply
    11,320.62x = 16,956.33 × 6,924.78
  4. Step 4: Simplify right side
    11,320.62x = 117,418,854.86
  5. Step 5: Solve for x
    x = 117,418,854.86/11,320.62
  6. Step 6: Final answer
    x = 10,372.12

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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.