Home / 8,843.74-12,201.32-5,485.34

Finding the Fourth Proportional to 8,843.74, 12,201.32 and 5,485.34

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Solution

The fourth proportional to 8,843.74, 12,201.32 and 5,485.34 is: 7,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.74 : 12,201.32 = 5,485.34 : x
  2. Step 2: Convert to fraction form
    8,843.74/12,201.32 = 5,485.34/x
  3. Step 3: Cross multiply
    8,843.74x = 12,201.32 × 5,485.34
  4. Step 4: Simplify right side
    8,843.74x = 66,928,432.87
  5. Step 5: Solve for x
    x = 66,928,432.87/8,843.74
  6. Step 6: Final answer
    x = 7,567.89

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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.