Home / 8,583.75-11,819.25-7,515.41

Finding the Fourth Proportional to 8,583.75, 11,819.25 and 7,515.41

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Solution

The fourth proportional to 8,583.75, 11,819.25 and 7,515.41 is: 10,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.75 : 11,819.25 = 7,515.41 : x
  2. Step 2: Convert to fraction form
    8,583.75/11,819.25 = 7,515.41/x
  3. Step 3: Cross multiply
    8,583.75x = 11,819.25 × 7,515.41
  4. Step 4: Simplify right side
    8,583.75x = 88,826,450.55
  5. Step 5: Solve for x
    x = 88,826,450.55/8,583.75
  6. Step 6: Final answer
    x = 10,348.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.