Home / 12,319.26-18,473.40-3,552.09

Finding the Fourth Proportional to 12,319.26, 18,473.40 and 3,552.09

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Solution

The fourth proportional to 12,319.26, 18,473.40 and 3,552.09 is: 5,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.26 : 18,473.40 = 3,552.09 : x
  2. Step 2: Convert to fraction form
    12,319.26/18,473.40 = 3,552.09/x
  3. Step 3: Cross multiply
    12,319.26x = 18,473.40 × 3,552.09
  4. Step 4: Simplify right side
    12,319.26x = 65,619,179.41
  5. Step 5: Solve for x
    x = 65,619,179.41/12,319.26
  6. Step 6: Final answer
    x = 5,326.55

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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.