Home / 7,917.07-11,871.63-2,650.27

Finding the Fourth Proportional to 7,917.07, 11,871.63 and 2,650.27

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Solution

The fourth proportional to 7,917.07, 11,871.63 and 2,650.27 is: 3,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.07 : 11,871.63 = 2,650.27 : x
  2. Step 2: Convert to fraction form
    7,917.07/11,871.63 = 2,650.27/x
  3. Step 3: Cross multiply
    7,917.07x = 11,871.63 × 2,650.27
  4. Step 4: Simplify right side
    7,917.07x = 31,463,024.84
  5. Step 5: Solve for x
    x = 31,463,024.84/7,917.07
  6. Step 6: Final answer
    x = 3,974.07

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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.