Home / 7,631.92-11,433.03-5,626.96

Finding the Fourth Proportional to 7,631.92, 11,433.03 and 5,626.96

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Solution

The fourth proportional to 7,631.92, 11,433.03 and 5,626.96 is: 8,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.92 : 11,433.03 = 5,626.96 : x
  2. Step 2: Convert to fraction form
    7,631.92/11,433.03 = 5,626.96/x
  3. Step 3: Cross multiply
    7,631.92x = 11,433.03 × 5,626.96
  4. Step 4: Simplify right side
    7,631.92x = 64,333,202.49
  5. Step 5: Solve for x
    x = 64,333,202.49/7,631.92
  6. Step 6: Final answer
    x = 8,429.49

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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.