Home / 8,634.06-12,958.16-4,475.32

Finding the Fourth Proportional to 8,634.06, 12,958.16 and 4,475.32

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Solution

The fourth proportional to 8,634.06, 12,958.16 and 4,475.32 is: 6,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.06 : 12,958.16 = 4,475.32 : x
  2. Step 2: Convert to fraction form
    8,634.06/12,958.16 = 4,475.32/x
  3. Step 3: Cross multiply
    8,634.06x = 12,958.16 × 4,475.32
  4. Step 4: Simplify right side
    8,634.06x = 57,991,857.84
  5. Step 5: Solve for x
    x = 57,991,857.84/8,634.06
  6. Step 6: Final answer
    x = 6,716.64

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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.