Home / 7,342.22-11,015.14-2,148.09

Finding the Fourth Proportional to 7,342.22, 11,015.14 and 2,148.09

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Solution

The fourth proportional to 7,342.22, 11,015.14 and 2,148.09 is: 3,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.22 : 11,015.14 = 2,148.09 : x
  2. Step 2: Convert to fraction form
    7,342.22/11,015.14 = 2,148.09/x
  3. Step 3: Cross multiply
    7,342.22x = 11,015.14 × 2,148.09
  4. Step 4: Simplify right side
    7,342.22x = 23,661,562.37
  5. Step 5: Solve for x
    x = 23,661,562.37/7,342.22
  6. Step 6: Final answer
    x = 3,222.67

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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.