Home / 11,311.07-15,609.25-6,276.06

Finding the Fourth Proportional to 11,311.07, 15,609.25 and 6,276.06

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Solution

The fourth proportional to 11,311.07, 15,609.25 and 6,276.06 is: 8,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.07 : 15,609.25 = 6,276.06 : x
  2. Step 2: Convert to fraction form
    11,311.07/15,609.25 = 6,276.06/x
  3. Step 3: Cross multiply
    11,311.07x = 15,609.25 × 6,276.06
  4. Step 4: Simplify right side
    11,311.07x = 97,964,589.56
  5. Step 5: Solve for x
    x = 97,964,589.56/11,311.07
  6. Step 6: Final answer
    x = 8,660.95

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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.