Home / 11,076.14-15,351.06-10,868.78

Finding the Fourth Proportional to 11,076.14, 15,351.06 and 10,868.78

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Solution

The fourth proportional to 11,076.14, 15,351.06 and 10,868.78 is: 15,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.14 : 15,351.06 = 10,868.78 : x
  2. Step 2: Convert to fraction form
    11,076.14/15,351.06 = 10,868.78/x
  3. Step 3: Cross multiply
    11,076.14x = 15,351.06 × 10,868.78
  4. Step 4: Simplify right side
    11,076.14x = 166,847,293.91
  5. Step 5: Solve for x
    x = 166,847,293.91/11,076.14
  6. Step 6: Final answer
    x = 15,063.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.