Home / 8,215.16-12,327.73-3,021.44

Finding the Fourth Proportional to 8,215.16, 12,327.73 and 3,021.44

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Solution

The fourth proportional to 8,215.16, 12,327.73 and 3,021.44 is: 4,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.16 : 12,327.73 = 3,021.44 : x
  2. Step 2: Convert to fraction form
    8,215.16/12,327.73 = 3,021.44/x
  3. Step 3: Cross multiply
    8,215.16x = 12,327.73 × 3,021.44
  4. Step 4: Simplify right side
    8,215.16x = 37,247,427.34
  5. Step 5: Solve for x
    x = 37,247,427.34/8,215.16
  6. Step 6: Final answer
    x = 4,533.99

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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.