Home / 11,380.20-17,087.90-6,196.20

Finding the Fourth Proportional to 11,380.20, 17,087.90 and 6,196.20

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Solution

The fourth proportional to 11,380.20, 17,087.90 and 6,196.20 is: 9,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.20 : 17,087.90 = 6,196.20 : x
  2. Step 2: Convert to fraction form
    11,380.20/17,087.90 = 6,196.20/x
  3. Step 3: Cross multiply
    11,380.20x = 17,087.90 × 6,196.20
  4. Step 4: Simplify right side
    11,380.20x = 105,880,045.98
  5. Step 5: Solve for x
    x = 105,880,045.98/11,380.20
  6. Step 6: Final answer
    x = 9,303.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.