Home / 12,336.16-18,506.94-3,571.42

Finding the Fourth Proportional to 12,336.16, 18,506.94 and 3,571.42

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Solution

The fourth proportional to 12,336.16, 18,506.94 and 3,571.42 is: 5,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.16 : 18,506.94 = 3,571.42 : x
  2. Step 2: Convert to fraction form
    12,336.16/18,506.94 = 3,571.42/x
  3. Step 3: Cross multiply
    12,336.16x = 18,506.94 × 3,571.42
  4. Step 4: Simplify right side
    12,336.16x = 66,096,055.65
  5. Step 5: Solve for x
    x = 66,096,055.65/12,336.16
  6. Step 6: Final answer
    x = 5,357.91

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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.