Home / 11,076.39-15,286.72-6,297.05

Finding the Fourth Proportional to 11,076.39, 15,286.72 and 6,297.05

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Solution

The fourth proportional to 11,076.39, 15,286.72 and 6,297.05 is: 8,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.39 : 15,286.72 = 6,297.05 : x
  2. Step 2: Convert to fraction form
    11,076.39/15,286.72 = 6,297.05/x
  3. Step 3: Cross multiply
    11,076.39x = 15,286.72 × 6,297.05
  4. Step 4: Simplify right side
    11,076.39x = 96,261,240.18
  5. Step 5: Solve for x
    x = 96,261,240.18/11,076.39
  6. Step 6: Final answer
    x = 8,690.67

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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.