Home / 11,736.78-17,605.25-2,971.68

Finding the Fourth Proportional to 11,736.78, 17,605.25 and 2,971.68

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Solution

The fourth proportional to 11,736.78, 17,605.25 and 2,971.68 is: 4,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.78 : 17,605.25 = 2,971.68 : x
  2. Step 2: Convert to fraction form
    11,736.78/17,605.25 = 2,971.68/x
  3. Step 3: Cross multiply
    11,736.78x = 17,605.25 × 2,971.68
  4. Step 4: Simplify right side
    11,736.78x = 52,317,154.46
  5. Step 5: Solve for x
    x = 52,317,154.46/11,736.78
  6. Step 6: Final answer
    x = 4,457.54

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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.