Home / 8,015.36-12,018.42-2,467.21

Finding the Fourth Proportional to 8,015.36, 12,018.42 and 2,467.21

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Solution

The fourth proportional to 8,015.36, 12,018.42 and 2,467.21 is: 3,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.36 : 12,018.42 = 2,467.21 : x
  2. Step 2: Convert to fraction form
    8,015.36/12,018.42 = 2,467.21/x
  3. Step 3: Cross multiply
    8,015.36x = 12,018.42 × 2,467.21
  4. Step 4: Simplify right side
    8,015.36x = 29,651,956.76
  5. Step 5: Solve for x
    x = 29,651,956.76/8,015.36
  6. Step 6: Final answer
    x = 3,699.39

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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.