Home / 10,814.77-16,231.28-4,245.57

Finding the Fourth Proportional to 10,814.77, 16,231.28 and 4,245.57

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Solution

The fourth proportional to 10,814.77, 16,231.28 and 4,245.57 is: 6,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.77 : 16,231.28 = 4,245.57 : x
  2. Step 2: Convert to fraction form
    10,814.77/16,231.28 = 4,245.57/x
  3. Step 3: Cross multiply
    10,814.77x = 16,231.28 × 4,245.57
  4. Step 4: Simplify right side
    10,814.77x = 68,911,014.20
  5. Step 5: Solve for x
    x = 68,911,014.20/10,814.77
  6. Step 6: Final answer
    x = 6,371.93

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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.