Home / 12,234.10-18,351.15-3,468.90

Finding the Fourth Proportional to 12,234.10, 18,351.15 and 3,468.90

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Solution

The fourth proportional to 12,234.10, 18,351.15 and 3,468.90 is: 5,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.10 : 18,351.15 = 3,468.90 : x
  2. Step 2: Convert to fraction form
    12,234.10/18,351.15 = 3,468.90/x
  3. Step 3: Cross multiply
    12,234.10x = 18,351.15 × 3,468.90
  4. Step 4: Simplify right side
    12,234.10x = 63,658,304.24
  5. Step 5: Solve for x
    x = 63,658,304.24/12,234.10
  6. Step 6: Final answer
    x = 5,203.35

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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.