Home / 8,794.28-13,191.40-2,220.98

Finding the Fourth Proportional to 8,794.28, 13,191.40 and 2,220.98

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Solution

The fourth proportional to 8,794.28, 13,191.40 and 2,220.98 is: 3,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.28 : 13,191.40 = 2,220.98 : x
  2. Step 2: Convert to fraction form
    8,794.28/13,191.40 = 2,220.98/x
  3. Step 3: Cross multiply
    8,794.28x = 13,191.40 × 2,220.98
  4. Step 4: Simplify right side
    8,794.28x = 29,297,835.57
  5. Step 5: Solve for x
    x = 29,297,835.57/8,794.28
  6. Step 6: Final answer
    x = 3,331.46

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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.