Home / 12,202.85-18,297.34-4,803.30

Finding the Fourth Proportional to 12,202.85, 18,297.34 and 4,803.30

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Solution

The fourth proportional to 12,202.85, 18,297.34 and 4,803.30 is: 7,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.85 : 18,297.34 = 4,803.30 : x
  2. Step 2: Convert to fraction form
    12,202.85/18,297.34 = 4,803.30/x
  3. Step 3: Cross multiply
    12,202.85x = 18,297.34 × 4,803.30
  4. Step 4: Simplify right side
    12,202.85x = 87,887,601.21
  5. Step 5: Solve for x
    x = 87,887,601.21/12,202.85
  6. Step 6: Final answer
    x = 7,202.22

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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.