Home / 6,979.14-9,631.24-3,835.26

Finding the Fourth Proportional to 6,979.14, 9,631.24 and 3,835.26

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Solution

The fourth proportional to 6,979.14, 9,631.24 and 3,835.26 is: 5,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.14 : 9,631.24 = 3,835.26 : x
  2. Step 2: Convert to fraction form
    6,979.14/9,631.24 = 3,835.26/x
  3. Step 3: Cross multiply
    6,979.14x = 9,631.24 × 3,835.26
  4. Step 4: Simplify right side
    6,979.14x = 36,938,299.93
  5. Step 5: Solve for x
    x = 36,938,299.93/6,979.14
  6. Step 6: Final answer
    x = 5,292.67

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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.