Home / 11,974.54-17,971.18-8,302.64

Finding the Fourth Proportional to 11,974.54, 17,971.18 and 8,302.64

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Solution

The fourth proportional to 11,974.54, 17,971.18 and 8,302.64 is: 12,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.54 : 17,971.18 = 8,302.64 : x
  2. Step 2: Convert to fraction form
    11,974.54/17,971.18 = 8,302.64/x
  3. Step 3: Cross multiply
    11,974.54x = 17,971.18 × 8,302.64
  4. Step 4: Simplify right side
    11,974.54x = 149,208,237.92
  5. Step 5: Solve for x
    x = 149,208,237.92/11,974.54
  6. Step 6: Final answer
    x = 12,460.46

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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.