Home / 6,112.32-9,168.48-2,415.44

Finding the Fourth Proportional to 6,112.32, 9,168.48 and 2,415.44

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Solution

The fourth proportional to 6,112.32, 9,168.48 and 2,415.44 is: 3,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.32 : 9,168.48 = 2,415.44 : x
  2. Step 2: Convert to fraction form
    6,112.32/9,168.48 = 2,415.44/x
  3. Step 3: Cross multiply
    6,112.32x = 9,168.48 × 2,415.44
  4. Step 4: Simplify right side
    6,112.32x = 22,145,915.91
  5. Step 5: Solve for x
    x = 22,145,915.91/6,112.32
  6. Step 6: Final answer
    x = 3,623.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.