Home / 11,956.65-16,500.16-6,651.35

Finding the Fourth Proportional to 11,956.65, 16,500.16 and 6,651.35

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Solution

The fourth proportional to 11,956.65, 16,500.16 and 6,651.35 is: 9,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.65 : 16,500.16 = 6,651.35 : x
  2. Step 2: Convert to fraction form
    11,956.65/16,500.16 = 6,651.35/x
  3. Step 3: Cross multiply
    11,956.65x = 16,500.16 × 6,651.35
  4. Step 4: Simplify right side
    11,956.65x = 109,748,305.96
  5. Step 5: Solve for x
    x = 109,748,305.96/11,956.65
  6. Step 6: Final answer
    x = 9,178.85

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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.