Home / 11,077.01-15,286.16-6,361.32

Finding the Fourth Proportional to 11,077.01, 15,286.16 and 6,361.32

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Solution

The fourth proportional to 11,077.01, 15,286.16 and 6,361.32 is: 8,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.01 : 15,286.16 = 6,361.32 : x
  2. Step 2: Convert to fraction form
    11,077.01/15,286.16 = 6,361.32/x
  3. Step 3: Cross multiply
    11,077.01x = 15,286.16 × 6,361.32
  4. Step 4: Simplify right side
    11,077.01x = 97,240,123.52
  5. Step 5: Solve for x
    x = 97,240,123.52/11,077.01
  6. Step 6: Final answer
    x = 8,778.56

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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.