Home / 11,669.36-16,103.84-6,364.16

Finding the Fourth Proportional to 11,669.36, 16,103.84 and 6,364.16

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Solution

The fourth proportional to 11,669.36, 16,103.84 and 6,364.16 is: 8,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.36 : 16,103.84 = 6,364.16 : x
  2. Step 2: Convert to fraction form
    11,669.36/16,103.84 = 6,364.16/x
  3. Step 3: Cross multiply
    11,669.36x = 16,103.84 × 6,364.16
  4. Step 4: Simplify right side
    11,669.36x = 102,487,414.37
  5. Step 5: Solve for x
    x = 102,487,414.37/11,669.36
  6. Step 6: Final answer
    x = 8,782.61

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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.