Home / 12,282.44-18,423.59-3,517.39

Finding the Fourth Proportional to 12,282.44, 18,423.59 and 3,517.39

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Solution

The fourth proportional to 12,282.44, 18,423.59 and 3,517.39 is: 5,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.44 : 18,423.59 = 3,517.39 : x
  2. Step 2: Convert to fraction form
    12,282.44/18,423.59 = 3,517.39/x
  3. Step 3: Cross multiply
    12,282.44x = 18,423.59 × 3,517.39
  4. Step 4: Simplify right side
    12,282.44x = 64,802,887.58
  5. Step 5: Solve for x
    x = 64,802,887.58/12,282.44
  6. Step 6: Final answer
    x = 5,276.06

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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.