Home / 12,425.37-18,624.57-6,190.03

Finding the Fourth Proportional to 12,425.37, 18,624.57 and 6,190.03

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Solution

The fourth proportional to 12,425.37, 18,624.57 and 6,190.03 is: 9,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.37 : 18,624.57 = 6,190.03 : x
  2. Step 2: Convert to fraction form
    12,425.37/18,624.57 = 6,190.03/x
  3. Step 3: Cross multiply
    12,425.37x = 18,624.57 × 6,190.03
  4. Step 4: Simplify right side
    12,425.37x = 115,286,647.04
  5. Step 5: Solve for x
    x = 115,286,647.04/12,425.37
  6. Step 6: Final answer
    x = 9,278.33

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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.