Home / 7,480.62-11,220.96-1,933.57

Finding the Fourth Proportional to 7,480.62, 11,220.96 and 1,933.57

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Solution

The fourth proportional to 7,480.62, 11,220.96 and 1,933.57 is: 2,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.62 : 11,220.96 = 1,933.57 : x
  2. Step 2: Convert to fraction form
    7,480.62/11,220.96 = 1,933.57/x
  3. Step 3: Cross multiply
    7,480.62x = 11,220.96 × 1,933.57
  4. Step 4: Simplify right side
    7,480.62x = 21,696,532.90
  5. Step 5: Solve for x
    x = 21,696,532.90/7,480.62
  6. Step 6: Final answer
    x = 2,900.37

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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.