Home / 12,246.96-18,372.12-3,927.24

Finding the Fourth Proportional to 12,246.96, 18,372.12 and 3,927.24

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Solution

The fourth proportional to 12,246.96, 18,372.12 and 3,927.24 is: 5,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.96 : 18,372.12 = 3,927.24 : x
  2. Step 2: Convert to fraction form
    12,246.96/18,372.12 = 3,927.24/x
  3. Step 3: Cross multiply
    12,246.96x = 18,372.12 × 3,927.24
  4. Step 4: Simplify right side
    12,246.96x = 72,151,724.55
  5. Step 5: Solve for x
    x = 72,151,724.55/12,246.96
  6. Step 6: Final answer
    x = 5,891.40

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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.