Home / 11,465.28-17,195.90-5,223.83

Finding the Fourth Proportional to 11,465.28, 17,195.90 and 5,223.83

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Solution

The fourth proportional to 11,465.28, 17,195.90 and 5,223.83 is: 7,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.28 : 17,195.90 = 5,223.83 : x
  2. Step 2: Convert to fraction form
    11,465.28/17,195.90 = 5,223.83/x
  3. Step 3: Cross multiply
    11,465.28x = 17,195.90 × 5,223.83
  4. Step 4: Simplify right side
    11,465.28x = 89,828,346.20
  5. Step 5: Solve for x
    x = 89,828,346.20/11,465.28
  6. Step 6: Final answer
    x = 7,834.81

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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.