Home / 9,628.18-13,279.78-6,087.96

Finding the Fourth Proportional to 9,628.18, 13,279.78 and 6,087.96

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Solution

The fourth proportional to 9,628.18, 13,279.78 and 6,087.96 is: 8,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.18 : 13,279.78 = 6,087.96 : x
  2. Step 2: Convert to fraction form
    9,628.18/13,279.78 = 6,087.96/x
  3. Step 3: Cross multiply
    9,628.18x = 13,279.78 × 6,087.96
  4. Step 4: Simplify right side
    9,628.18x = 80,846,769.45
  5. Step 5: Solve for x
    x = 80,846,769.45/9,628.18
  6. Step 6: Final answer
    x = 8,396.89

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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.