Home / 10,905.26-16,358.90-3,507.96

Finding the Fourth Proportional to 10,905.26, 16,358.90 and 3,507.96

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Solution

The fourth proportional to 10,905.26, 16,358.90 and 3,507.96 is: 5,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.26 : 16,358.90 = 3,507.96 : x
  2. Step 2: Convert to fraction form
    10,905.26/16,358.90 = 3,507.96/x
  3. Step 3: Cross multiply
    10,905.26x = 16,358.90 × 3,507.96
  4. Step 4: Simplify right side
    10,905.26x = 57,386,349.30
  5. Step 5: Solve for x
    x = 57,386,349.30/10,905.26
  6. Step 6: Final answer
    x = 5,262.27

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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.