Home / 11,357.23-17,035.87-3,459.80

Finding the Fourth Proportional to 11,357.23, 17,035.87 and 3,459.80

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Solution

The fourth proportional to 11,357.23, 17,035.87 and 3,459.80 is: 5,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.23 : 17,035.87 = 3,459.80 : x
  2. Step 2: Convert to fraction form
    11,357.23/17,035.87 = 3,459.80/x
  3. Step 3: Cross multiply
    11,357.23x = 17,035.87 × 3,459.80
  4. Step 4: Simplify right side
    11,357.23x = 58,940,626.50
  5. Step 5: Solve for x
    x = 58,940,626.50/11,357.23
  6. Step 6: Final answer
    x = 5,189.70

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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.