Home / 8,012.16-12,012.48-3,627.36

Finding the Fourth Proportional to 8,012.16, 12,012.48 and 3,627.36

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Solution

The fourth proportional to 8,012.16, 12,012.48 and 3,627.36 is: 5,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.16 : 12,012.48 = 3,627.36 : x
  2. Step 2: Convert to fraction form
    8,012.16/12,012.48 = 3,627.36/x
  3. Step 3: Cross multiply
    8,012.16x = 12,012.48 × 3,627.36
  4. Step 4: Simplify right side
    8,012.16x = 43,573,589.45
  5. Step 5: Solve for x
    x = 43,573,589.45/8,012.16
  6. Step 6: Final answer
    x = 5,438.43

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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.