Home / 12,396.65-18,594.97-3,631.56

Finding the Fourth Proportional to 12,396.65, 18,594.97 and 3,631.56

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Solution

The fourth proportional to 12,396.65, 18,594.97 and 3,631.56 is: 5,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.65 : 18,594.97 = 3,631.56 : x
  2. Step 2: Convert to fraction form
    12,396.65/18,594.97 = 3,631.56/x
  3. Step 3: Cross multiply
    12,396.65x = 18,594.97 × 3,631.56
  4. Step 4: Simplify right side
    12,396.65x = 67,528,722.74
  5. Step 5: Solve for x
    x = 67,528,722.74/12,396.65
  6. Step 6: Final answer
    x = 5,447.34

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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.