Home / 10,778.38-16,167.49-2,773.13

Finding the Fourth Proportional to 10,778.38, 16,167.49 and 2,773.13

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Solution

The fourth proportional to 10,778.38, 16,167.49 and 2,773.13 is: 4,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.38 : 16,167.49 = 2,773.13 : x
  2. Step 2: Convert to fraction form
    10,778.38/16,167.49 = 2,773.13/x
  3. Step 3: Cross multiply
    10,778.38x = 16,167.49 × 2,773.13
  4. Step 4: Simplify right side
    10,778.38x = 44,834,463.77
  5. Step 5: Solve for x
    x = 44,834,463.77/10,778.38
  6. Step 6: Final answer
    x = 4,159.67

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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.