Home / 12,181.23-18,275.58-5,940.36

Finding the Fourth Proportional to 12,181.23, 18,275.58 and 5,940.36

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Solution

The fourth proportional to 12,181.23, 18,275.58 and 5,940.36 is: 8,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.23 : 18,275.58 = 5,940.36 : x
  2. Step 2: Convert to fraction form
    12,181.23/18,275.58 = 5,940.36/x
  3. Step 3: Cross multiply
    12,181.23x = 18,275.58 × 5,940.36
  4. Step 4: Simplify right side
    12,181.23x = 108,563,524.41
  5. Step 5: Solve for x
    x = 108,563,524.41/12,181.23
  6. Step 6: Final answer
    x = 8,912.36

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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.