Home / 10,975.12-16,463.21-3,579.57

Finding the Fourth Proportional to 10,975.12, 16,463.21 and 3,579.57

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Solution

The fourth proportional to 10,975.12, 16,463.21 and 3,579.57 is: 5,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.12 : 16,463.21 = 3,579.57 : x
  2. Step 2: Convert to fraction form
    10,975.12/16,463.21 = 3,579.57/x
  3. Step 3: Cross multiply
    10,975.12x = 16,463.21 × 3,579.57
  4. Step 4: Simplify right side
    10,975.12x = 58,931,212.62
  5. Step 5: Solve for x
    x = 58,931,212.62/10,975.12
  6. Step 6: Final answer
    x = 5,369.53

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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.