Home / 10,903.36-16,354.88-3,508.48

Finding the Fourth Proportional to 10,903.36, 16,354.88 and 3,508.48

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Solution

The fourth proportional to 10,903.36, 16,354.88 and 3,508.48 is: 5,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.36 : 16,354.88 = 3,508.48 : x
  2. Step 2: Convert to fraction form
    10,903.36/16,354.88 = 3,508.48/x
  3. Step 3: Cross multiply
    10,903.36x = 16,354.88 × 3,508.48
  4. Step 4: Simplify right side
    10,903.36x = 57,380,769.38
  5. Step 5: Solve for x
    x = 57,380,769.38/10,903.36
  6. Step 6: Final answer
    x = 5,262.67

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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.