Home / 7,469.10-11,203.65-1,922.45

Finding the Fourth Proportional to 7,469.10, 11,203.65 and 1,922.45

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Solution

The fourth proportional to 7,469.10, 11,203.65 and 1,922.45 is: 2,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.10 : 11,203.65 = 1,922.45 : x
  2. Step 2: Convert to fraction form
    7,469.10/11,203.65 = 1,922.45/x
  3. Step 3: Cross multiply
    7,469.10x = 11,203.65 × 1,922.45
  4. Step 4: Simplify right side
    7,469.10x = 21,538,400.92
  5. Step 5: Solve for x
    x = 21,538,400.92/7,469.10
  6. Step 6: Final answer
    x = 2,883.67

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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.