Home / 6,980.50-9,633.53-3,996.27

Finding the Fourth Proportional to 6,980.50, 9,633.53 and 3,996.27

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Solution

The fourth proportional to 6,980.50, 9,633.53 and 3,996.27 is: 5,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.50 : 9,633.53 = 3,996.27 : x
  2. Step 2: Convert to fraction form
    6,980.50/9,633.53 = 3,996.27/x
  3. Step 3: Cross multiply
    6,980.50x = 9,633.53 × 3,996.27
  4. Step 4: Simplify right side
    6,980.50x = 38,498,237.57
  5. Step 5: Solve for x
    x = 38,498,237.57/6,980.50
  6. Step 6: Final answer
    x = 5,515.11

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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.