Home / 12,198.79-16,832.50-6,893.56

Finding the Fourth Proportional to 12,198.79, 16,832.50 and 6,893.56

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Solution

The fourth proportional to 12,198.79, 16,832.50 and 6,893.56 is: 9,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.79 : 16,832.50 = 6,893.56 : x
  2. Step 2: Convert to fraction form
    12,198.79/16,832.50 = 6,893.56/x
  3. Step 3: Cross multiply
    12,198.79x = 16,832.50 × 6,893.56
  4. Step 4: Simplify right side
    12,198.79x = 116,035,848.70
  5. Step 5: Solve for x
    x = 116,035,848.70/12,198.79
  6. Step 6: Final answer
    x = 9,512.08

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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.