Home / 11,396.12-15,727.44-6,361.32

Finding the Fourth Proportional to 11,396.12, 15,727.44 and 6,361.32

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Solution

The fourth proportional to 11,396.12, 15,727.44 and 6,361.32 is: 8,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.12 : 15,727.44 = 6,361.32 : x
  2. Step 2: Convert to fraction form
    11,396.12/15,727.44 = 6,361.32/x
  3. Step 3: Cross multiply
    11,396.12x = 15,727.44 × 6,361.32
  4. Step 4: Simplify right side
    11,396.12x = 100,047,262.72
  5. Step 5: Solve for x
    x = 100,047,262.72/11,396.12
  6. Step 6: Final answer
    x = 8,779.06

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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.