Home / 10,876.11-16,315.33-3,477.93

Finding the Fourth Proportional to 10,876.11, 16,315.33 and 3,477.93

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Solution

The fourth proportional to 10,876.11, 16,315.33 and 3,477.93 is: 5,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.11 : 16,315.33 = 3,477.93 : x
  2. Step 2: Convert to fraction form
    10,876.11/16,315.33 = 3,477.93/x
  3. Step 3: Cross multiply
    10,876.11x = 16,315.33 × 3,477.93
  4. Step 4: Simplify right side
    10,876.11x = 56,743,575.67
  5. Step 5: Solve for x
    x = 56,743,575.67/10,876.11
  6. Step 6: Final answer
    x = 5,217.27

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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.