Home / 10,821.91-16,234.57-4,581.96

Finding the Fourth Proportional to 10,821.91, 16,234.57 and 4,581.96

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Solution

The fourth proportional to 10,821.91, 16,234.57 and 4,581.96 is: 6,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.91 : 16,234.57 = 4,581.96 : x
  2. Step 2: Convert to fraction form
    10,821.91/16,234.57 = 4,581.96/x
  3. Step 3: Cross multiply
    10,821.91x = 16,234.57 × 4,581.96
  4. Step 4: Simplify right side
    10,821.91x = 74,386,150.36
  5. Step 5: Solve for x
    x = 74,386,150.36/10,821.91
  6. Step 6: Final answer
    x = 6,873.66

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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.