Home / 8,491.22-11,717.90-4,954.66

Finding the Fourth Proportional to 8,491.22, 11,717.90 and 4,954.66

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Solution

The fourth proportional to 8,491.22, 11,717.90 and 4,954.66 is: 6,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.22 : 11,717.90 = 4,954.66 : x
  2. Step 2: Convert to fraction form
    8,491.22/11,717.90 = 4,954.66/x
  3. Step 3: Cross multiply
    8,491.22x = 11,717.90 × 4,954.66
  4. Step 4: Simplify right side
    8,491.22x = 58,058,174.93
  5. Step 5: Solve for x
    x = 58,058,174.93/8,491.22
  6. Step 6: Final answer
    x = 6,837.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.