Home / 12,315.41-18,474.94-4,523.62

Finding the Fourth Proportional to 12,315.41, 18,474.94 and 4,523.62

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Solution

The fourth proportional to 12,315.41, 18,474.94 and 4,523.62 is: 6,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315.41 : 18,474.94 = 4,523.62 : x
  2. Step 2: Convert to fraction form
    12,315.41/18,474.94 = 4,523.62/x
  3. Step 3: Cross multiply
    12,315.41x = 18,474.94 × 4,523.62
  4. Step 4: Simplify right side
    12,315.41x = 83,573,515.71
  5. Step 5: Solve for x
    x = 83,573,515.71/12,315.41
  6. Step 6: Final answer
    x = 6,786.09

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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.