Home / 12,199.86-16,834.45-6,894.66

Finding the Fourth Proportional to 12,199.86, 16,834.45 and 6,894.66

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Solution

The fourth proportional to 12,199.86, 16,834.45 and 6,894.66 is: 9,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.86 : 16,834.45 = 6,894.66 : x
  2. Step 2: Convert to fraction form
    12,199.86/16,834.45 = 6,894.66/x
  3. Step 3: Cross multiply
    12,199.86x = 16,834.45 × 6,894.66
  4. Step 4: Simplify right side
    12,199.86x = 116,067,690.39
  5. Step 5: Solve for x
    x = 116,067,690.39/12,199.86
  6. Step 6: Final answer
    x = 9,513.86

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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.