Home / 11,956.20-17,936.52-4,059.40

Finding the Fourth Proportional to 11,956.20, 17,936.52 and 4,059.40

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Solution

The fourth proportional to 11,956.20, 17,936.52 and 4,059.40 is: 6,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.20 : 17,936.52 = 4,059.40 : x
  2. Step 2: Convert to fraction form
    11,956.20/17,936.52 = 4,059.40/x
  3. Step 3: Cross multiply
    11,956.20x = 17,936.52 × 4,059.40
  4. Step 4: Simplify right side
    11,956.20x = 72,811,509.29
  5. Step 5: Solve for x
    x = 72,811,509.29/11,956.20
  6. Step 6: Final answer
    x = 6,089.85

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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.