Home / 11,669.15-16,103.49-6,363.86

Finding the Fourth Proportional to 11,669.15, 16,103.49 and 6,363.86

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Solution

The fourth proportional to 11,669.15, 16,103.49 and 6,363.86 is: 8,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.15 : 16,103.49 = 6,363.86 : x
  2. Step 2: Convert to fraction form
    11,669.15/16,103.49 = 6,363.86/x
  3. Step 3: Cross multiply
    11,669.15x = 16,103.49 × 6,363.86
  4. Step 4: Simplify right side
    11,669.15x = 102,480,275.35
  5. Step 5: Solve for x
    x = 102,480,275.35/11,669.15
  6. Step 6: Final answer
    x = 8,782.15

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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.