Home / 11,397.50-15,727.46-6,361.32

Finding the Fourth Proportional to 11,397.50, 15,727.46 and 6,361.32

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Solution

The fourth proportional to 11,397.50, 15,727.46 and 6,361.32 is: 8,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.50 : 15,727.46 = 6,361.32 : x
  2. Step 2: Convert to fraction form
    11,397.50/15,727.46 = 6,361.32/x
  3. Step 3: Cross multiply
    11,397.50x = 15,727.46 × 6,361.32
  4. Step 4: Simplify right side
    11,397.50x = 100,047,405.85
  5. Step 5: Solve for x
    x = 100,047,405.85/11,397.50
  6. Step 6: Final answer
    x = 8,778.01

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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.