Home / 12,261.63-18,392.61-3,496.54

Finding the Fourth Proportional to 12,261.63, 18,392.61 and 3,496.54

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Solution

The fourth proportional to 12,261.63, 18,392.61 and 3,496.54 is: 5,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.63 : 18,392.61 = 3,496.54 : x
  2. Step 2: Convert to fraction form
    12,261.63/18,392.61 = 3,496.54/x
  3. Step 3: Cross multiply
    12,261.63x = 18,392.61 × 3,496.54
  4. Step 4: Simplify right side
    12,261.63x = 64,310,526.12
  5. Step 5: Solve for x
    x = 64,310,526.12/12,261.63
  6. Step 6: Final answer
    x = 5,244.86

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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.