Home / 12,198.40-16,832.01-7,164.24

Finding the Fourth Proportional to 12,198.40, 16,832.01 and 7,164.24

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Solution

The fourth proportional to 12,198.40, 16,832.01 and 7,164.24 is: 9,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.40 : 16,832.01 = 7,164.24 : x
  2. Step 2: Convert to fraction form
    12,198.40/16,832.01 = 7,164.24/x
  3. Step 3: Cross multiply
    12,198.40x = 16,832.01 × 7,164.24
  4. Step 4: Simplify right side
    12,198.40x = 120,588,554.50
  5. Step 5: Solve for x
    x = 120,588,554.50/12,198.40
  6. Step 6: Final answer
    x = 9,885.61

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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.