Home / 11,077.34-15,286.37-6,600.06

Finding the Fourth Proportional to 11,077.34, 15,286.37 and 6,600.06

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Solution

The fourth proportional to 11,077.34, 15,286.37 and 6,600.06 is: 9,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.34 : 15,286.37 = 6,600.06 : x
  2. Step 2: Convert to fraction form
    11,077.34/15,286.37 = 6,600.06/x
  3. Step 3: Cross multiply
    11,077.34x = 15,286.37 × 6,600.06
  4. Step 4: Simplify right side
    11,077.34x = 100,890,926.18
  5. Step 5: Solve for x
    x = 100,890,926.18/11,077.34
  6. Step 6: Final answer
    x = 9,107.87

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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.