Home / 11,956.62-17,913.30-6,685.32

Finding the Fourth Proportional to 11,956.62, 17,913.30 and 6,685.32

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Solution

The fourth proportional to 11,956.62, 17,913.30 and 6,685.32 is: 10,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.62 : 17,913.30 = 6,685.32 : x
  2. Step 2: Convert to fraction form
    11,956.62/17,913.30 = 6,685.32/x
  3. Step 3: Cross multiply
    11,956.62x = 17,913.30 × 6,685.32
  4. Step 4: Simplify right side
    11,956.62x = 119,756,142.76
  5. Step 5: Solve for x
    x = 119,756,142.76/11,956.62
  6. Step 6: Final answer
    x = 10,015.89

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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.