Home / 11,180.79-16,771.23-3,389.67

Finding the Fourth Proportional to 11,180.79, 16,771.23 and 3,389.67

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Solution

The fourth proportional to 11,180.79, 16,771.23 and 3,389.67 is: 5,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.79 : 16,771.23 = 3,389.67 : x
  2. Step 2: Convert to fraction form
    11,180.79/16,771.23 = 3,389.67/x
  3. Step 3: Cross multiply
    11,180.79x = 16,771.23 × 3,389.67
  4. Step 4: Simplify right side
    11,180.79x = 56,848,935.19
  5. Step 5: Solve for x
    x = 56,848,935.19/11,180.79
  6. Step 6: Final answer
    x = 5,084.52

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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.