Home / 12,584.94-18,880.20-4,264.26

Finding the Fourth Proportional to 12,584.94, 18,880.20 and 4,264.26

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Solution

The fourth proportional to 12,584.94, 18,880.20 and 4,264.26 is: 6,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.94 : 18,880.20 = 4,264.26 : x
  2. Step 2: Convert to fraction form
    12,584.94/18,880.20 = 4,264.26/x
  3. Step 3: Cross multiply
    12,584.94x = 18,880.20 × 4,264.26
  4. Step 4: Simplify right side
    12,584.94x = 80,510,081.65
  5. Step 5: Solve for x
    x = 80,510,081.65/12,584.94
  6. Step 6: Final answer
    x = 6,397.34

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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.