Home / 12,363.20-18,546.84-6,123.48

Finding the Fourth Proportional to 12,363.20, 18,546.84 and 6,123.48

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Solution

The fourth proportional to 12,363.20, 18,546.84 and 6,123.48 is: 9,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.20 : 18,546.84 = 6,123.48 : x
  2. Step 2: Convert to fraction form
    12,363.20/18,546.84 = 6,123.48/x
  3. Step 3: Cross multiply
    12,363.20x = 18,546.84 × 6,123.48
  4. Step 4: Simplify right side
    12,363.20x = 113,571,203.80
  5. Step 5: Solve for x
    x = 113,571,203.80/12,363.20
  6. Step 6: Final answer
    x = 9,186.23

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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.