Home / 11,622.36-16,039.17-6,317.54

Finding the Fourth Proportional to 11,622.36, 16,039.17 and 6,317.54

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Solution

The fourth proportional to 11,622.36, 16,039.17 and 6,317.54 is: 8,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.36 : 16,039.17 = 6,317.54 : x
  2. Step 2: Convert to fraction form
    11,622.36/16,039.17 = 6,317.54/x
  3. Step 3: Cross multiply
    11,622.36x = 16,039.17 × 6,317.54
  4. Step 4: Simplify right side
    11,622.36x = 101,328,017.85
  5. Step 5: Solve for x
    x = 101,328,017.85/11,622.36
  6. Step 6: Final answer
    x = 8,718.37

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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.