Home / 12,199.83-16,835.55-6,894.54

Finding the Fourth Proportional to 12,199.83, 16,835.55 and 6,894.54

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Solution

The fourth proportional to 12,199.83, 16,835.55 and 6,894.54 is: 9,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.83 : 16,835.55 = 6,894.54 : x
  2. Step 2: Convert to fraction form
    12,199.83/16,835.55 = 6,894.54/x
  3. Step 3: Cross multiply
    12,199.83x = 16,835.55 × 6,894.54
  4. Step 4: Simplify right side
    12,199.83x = 116,073,372.90
  5. Step 5: Solve for x
    x = 116,073,372.90/12,199.83
  6. Step 6: Final answer
    x = 9,514.34

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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.