Home / 10,828.38-16,243.01-3,432.67

Finding the Fourth Proportional to 10,828.38, 16,243.01 and 3,432.67

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Solution

The fourth proportional to 10,828.38, 16,243.01 and 3,432.67 is: 5,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.38 : 16,243.01 = 3,432.67 : x
  2. Step 2: Convert to fraction form
    10,828.38/16,243.01 = 3,432.67/x
  3. Step 3: Cross multiply
    10,828.38x = 16,243.01 × 3,432.67
  4. Step 4: Simplify right side
    10,828.38x = 55,756,893.14
  5. Step 5: Solve for x
    x = 55,756,893.14/10,828.38
  6. Step 6: Final answer
    x = 5,149.14

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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.