Home / 7,330.56-10,998.36-2,137.20

Finding the Fourth Proportional to 7,330.56, 10,998.36 and 2,137.20

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Solution

The fourth proportional to 7,330.56, 10,998.36 and 2,137.20 is: 3,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.56 : 10,998.36 = 2,137.20 : x
  2. Step 2: Convert to fraction form
    7,330.56/10,998.36 = 2,137.20/x
  3. Step 3: Cross multiply
    7,330.56x = 10,998.36 × 2,137.20
  4. Step 4: Simplify right side
    7,330.56x = 23,505,694.99
  5. Step 5: Solve for x
    x = 23,505,694.99/7,330.56
  6. Step 6: Final answer
    x = 3,206.53

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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.