Home / 8,815.56-13,222.62-3,266.28

Finding the Fourth Proportional to 8,815.56, 13,222.62 and 3,266.28

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Solution

The fourth proportional to 8,815.56, 13,222.62 and 3,266.28 is: 4,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.56 : 13,222.62 = 3,266.28 : x
  2. Step 2: Convert to fraction form
    8,815.56/13,222.62 = 3,266.28/x
  3. Step 3: Cross multiply
    8,815.56x = 13,222.62 × 3,266.28
  4. Step 4: Simplify right side
    8,815.56x = 43,188,779.25
  5. Step 5: Solve for x
    x = 43,188,779.25/8,815.56
  6. Step 6: Final answer
    x = 4,899.15

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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.