Home / 10,821.69-16,234.74-4,895.73

Finding the Fourth Proportional to 10,821.69, 16,234.74 and 4,895.73

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Solution

The fourth proportional to 10,821.69, 16,234.74 and 4,895.73 is: 7,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.69 : 16,234.74 = 4,895.73 : x
  2. Step 2: Convert to fraction form
    10,821.69/16,234.74 = 4,895.73/x
  3. Step 3: Cross multiply
    10,821.69x = 16,234.74 × 4,895.73
  4. Step 4: Simplify right side
    10,821.69x = 79,480,903.66
  5. Step 5: Solve for x
    x = 79,480,903.66/10,821.69
  6. Step 6: Final answer
    x = 7,344.59

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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.