Home / 11,605.30-17,411.75-3,709.12

Finding the Fourth Proportional to 11,605.30, 17,411.75 and 3,709.12

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Solution

The fourth proportional to 11,605.30, 17,411.75 and 3,709.12 is: 5,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.30 : 17,411.75 = 3,709.12 : x
  2. Step 2: Convert to fraction form
    11,605.30/17,411.75 = 3,709.12/x
  3. Step 3: Cross multiply
    11,605.30x = 17,411.75 × 3,709.12
  4. Step 4: Simplify right side
    11,605.30x = 64,582,221.99
  5. Step 5: Solve for x
    x = 64,582,221.99/11,605.30
  6. Step 6: Final answer
    x = 5,564.89

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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.