Home / 11,240.94-16,865.01-5,397.96

Finding the Fourth Proportional to 11,240.94, 16,865.01 and 5,397.96

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Solution

The fourth proportional to 11,240.94, 16,865.01 and 5,397.96 is: 8,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.94 : 16,865.01 = 5,397.96 : x
  2. Step 2: Convert to fraction form
    11,240.94/16,865.01 = 5,397.96/x
  3. Step 3: Cross multiply
    11,240.94x = 16,865.01 × 5,397.96
  4. Step 4: Simplify right side
    11,240.94x = 91,036,649.38
  5. Step 5: Solve for x
    x = 91,036,649.38/11,240.94
  6. Step 6: Final answer
    x = 8,098.67

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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.