Home / 10,956.75-16,449.24-9,406.71

Finding the Fourth Proportional to 10,956.75, 16,449.24 and 9,406.71

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Solution

The fourth proportional to 10,956.75, 16,449.24 and 9,406.71 is: 14,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.75 : 16,449.24 = 9,406.71 : x
  2. Step 2: Convert to fraction form
    10,956.75/16,449.24 = 9,406.71/x
  3. Step 3: Cross multiply
    10,956.75x = 16,449.24 × 9,406.71
  4. Step 4: Simplify right side
    10,956.75x = 154,733,230.40
  5. Step 5: Solve for x
    x = 154,733,230.40/10,956.75
  6. Step 6: Final answer
    x = 14,122.18

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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.