Home / 8,431.08-11,634.74-4,654.25

Finding the Fourth Proportional to 8,431.08, 11,634.74 and 4,654.25

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Solution

The fourth proportional to 8,431.08, 11,634.74 and 4,654.25 is: 6,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.08 : 11,634.74 = 4,654.25 : x
  2. Step 2: Convert to fraction form
    8,431.08/11,634.74 = 4,654.25/x
  3. Step 3: Cross multiply
    8,431.08x = 11,634.74 × 4,654.25
  4. Step 4: Simplify right side
    8,431.08x = 54,150,907.20
  5. Step 5: Solve for x
    x = 54,150,907.20/8,431.08
  6. Step 6: Final answer
    x = 6,422.77

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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.