Home / 11,950.20-16,474.19-7,969.86

Finding the Fourth Proportional to 11,950.20, 16,474.19 and 7,969.86

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Solution

The fourth proportional to 11,950.20, 16,474.19 and 7,969.86 is: 10,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.20 : 16,474.19 = 7,969.86 : x
  2. Step 2: Convert to fraction form
    11,950.20/16,474.19 = 7,969.86/x
  3. Step 3: Cross multiply
    11,950.20x = 16,474.19 × 7,969.86
  4. Step 4: Simplify right side
    11,950.20x = 131,296,948.06
  5. Step 5: Solve for x
    x = 131,296,948.06/11,950.20
  6. Step 6: Final answer
    x = 10,987.01

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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.