Home / 12,336.12-18,496.44-5,763.60

Finding the Fourth Proportional to 12,336.12, 18,496.44 and 5,763.60

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Solution

The fourth proportional to 12,336.12, 18,496.44 and 5,763.60 is: 8,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.12 : 18,496.44 = 5,763.60 : x
  2. Step 2: Convert to fraction form
    12,336.12/18,496.44 = 5,763.60/x
  3. Step 3: Cross multiply
    12,336.12x = 18,496.44 × 5,763.60
  4. Step 4: Simplify right side
    12,336.12x = 106,606,081.58
  5. Step 5: Solve for x
    x = 106,606,081.58/12,336.12
  6. Step 6: Final answer
    x = 8,641.78

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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.