Home / 12,269.43-18,401.06-3,504.39

Finding the Fourth Proportional to 12,269.43, 18,401.06 and 3,504.39

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Solution

The fourth proportional to 12,269.43, 18,401.06 and 3,504.39 is: 5,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.43 : 18,401.06 = 3,504.39 : x
  2. Step 2: Convert to fraction form
    12,269.43/18,401.06 = 3,504.39/x
  3. Step 3: Cross multiply
    12,269.43x = 18,401.06 × 3,504.39
  4. Step 4: Simplify right side
    12,269.43x = 64,484,473.13
  5. Step 5: Solve for x
    x = 64,484,473.13/12,269.43
  6. Step 6: Final answer
    x = 5,255.70

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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.