Home / 11,669.09-16,103.31-6,364.19

Finding the Fourth Proportional to 11,669.09, 16,103.31 and 6,364.19

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Solution

The fourth proportional to 11,669.09, 16,103.31 and 6,364.19 is: 8,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.09 : 16,103.31 = 6,364.19 : x
  2. Step 2: Convert to fraction form
    11,669.09/16,103.31 = 6,364.19/x
  3. Step 3: Cross multiply
    11,669.09x = 16,103.31 × 6,364.19
  4. Step 4: Simplify right side
    11,669.09x = 102,484,524.47
  5. Step 5: Solve for x
    x = 102,484,524.47/11,669.09
  6. Step 6: Final answer
    x = 8,782.56

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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.