Home / 11,738.08-16,198.48-6,433

Finding the Fourth Proportional to 11,738.08, 16,198.48 and 6,433

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Solution

The fourth proportional to 11,738.08, 16,198.48 and 6,433 is: 8,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.08 : 16,198.48 = 6,433 : x
  2. Step 2: Convert to fraction form
    11,738.08/16,198.48 = 6,433/x
  3. Step 3: Cross multiply
    11,738.08x = 16,198.48 × 6,433
  4. Step 4: Simplify right side
    11,738.08x = 104,204,821.84
  5. Step 5: Solve for x
    x = 104,204,821.84/11,738.08
  6. Step 6: Final answer
    x = 8,877.50

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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.