Home / 12,336.33-18,506.31-3,571.32

Finding the Fourth Proportional to 12,336.33, 18,506.31 and 3,571.32

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Solution

The fourth proportional to 12,336.33, 18,506.31 and 3,571.32 is: 5,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.33 : 18,506.31 = 3,571.32 : x
  2. Step 2: Convert to fraction form
    12,336.33/18,506.31 = 3,571.32/x
  3. Step 3: Cross multiply
    12,336.33x = 18,506.31 × 3,571.32
  4. Step 4: Simplify right side
    12,336.33x = 66,091,955.03
  5. Step 5: Solve for x
    x = 66,091,955.03/12,336.33
  6. Step 6: Final answer
    x = 5,357.51

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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.