Home / 11,964.20-16,509.11-6,928.34

Finding the Fourth Proportional to 11,964.20, 16,509.11 and 6,928.34

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Solution

The fourth proportional to 11,964.20, 16,509.11 and 6,928.34 is: 9,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.20 : 16,509.11 = 6,928.34 : x
  2. Step 2: Convert to fraction form
    11,964.20/16,509.11 = 6,928.34/x
  3. Step 3: Cross multiply
    11,964.20x = 16,509.11 × 6,928.34
  4. Step 4: Simplify right side
    11,964.20x = 114,380,609.99
  5. Step 5: Solve for x
    x = 114,380,609.99/11,964.20
  6. Step 6: Final answer
    x = 9,560.24

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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.