Home / 12,231.38-18,346.43-3,466.32

Finding the Fourth Proportional to 12,231.38, 18,346.43 and 3,466.32

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Solution

The fourth proportional to 12,231.38, 18,346.43 and 3,466.32 is: 5,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.38 : 18,346.43 = 3,466.32 : x
  2. Step 2: Convert to fraction form
    12,231.38/18,346.43 = 3,466.32/x
  3. Step 3: Cross multiply
    12,231.38x = 18,346.43 × 3,466.32
  4. Step 4: Simplify right side
    12,231.38x = 63,594,579.91
  5. Step 5: Solve for x
    x = 63,594,579.91/12,231.38
  6. Step 6: Final answer
    x = 5,199.30

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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.