Home / 7,631.85-11,433.42-5,983.40

Finding the Fourth Proportional to 7,631.85, 11,433.42 and 5,983.40

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Solution

The fourth proportional to 7,631.85, 11,433.42 and 5,983.40 is: 8,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.85 : 11,433.42 = 5,983.40 : x
  2. Step 2: Convert to fraction form
    7,631.85/11,433.42 = 5,983.40/x
  3. Step 3: Cross multiply
    7,631.85x = 11,433.42 × 5,983.40
  4. Step 4: Simplify right side
    7,631.85x = 68,410,668.06
  5. Step 5: Solve for x
    x = 68,410,668.06/7,631.85
  6. Step 6: Final answer
    x = 8,963.84

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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.