Home / 8,858.56-12,220.32-6,759.04

Finding the Fourth Proportional to 8,858.56, 12,220.32 and 6,759.04

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Solution

The fourth proportional to 8,858.56, 12,220.32 and 6,759.04 is: 9,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.56 : 12,220.32 = 6,759.04 : x
  2. Step 2: Convert to fraction form
    8,858.56/12,220.32 = 6,759.04/x
  3. Step 3: Cross multiply
    8,858.56x = 12,220.32 × 6,759.04
  4. Step 4: Simplify right side
    8,858.56x = 82,597,631.69
  5. Step 5: Solve for x
    x = 82,597,631.69/8,858.56
  6. Step 6: Final answer
    x = 9,324.05

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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.