Home / 11,324.05-16,992.69-4,749.69

Finding the Fourth Proportional to 11,324.05, 16,992.69 and 4,749.69

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Solution

The fourth proportional to 11,324.05, 16,992.69 and 4,749.69 is: 7,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.05 : 16,992.69 = 4,749.69 : x
  2. Step 2: Convert to fraction form
    11,324.05/16,992.69 = 4,749.69/x
  3. Step 3: Cross multiply
    11,324.05x = 16,992.69 × 4,749.69
  4. Step 4: Simplify right side
    11,324.05x = 80,710,009.77
  5. Step 5: Solve for x
    x = 80,710,009.77/11,324.05
  6. Step 6: Final answer
    x = 7,127.31

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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.