Home / 7,404.12-11,106.05-3,020.54

Finding the Fourth Proportional to 7,404.12, 11,106.05 and 3,020.54

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Solution

The fourth proportional to 7,404.12, 11,106.05 and 3,020.54 is: 4,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.12 : 11,106.05 = 3,020.54 : x
  2. Step 2: Convert to fraction form
    7,404.12/11,106.05 = 3,020.54/x
  3. Step 3: Cross multiply
    7,404.12x = 11,106.05 × 3,020.54
  4. Step 4: Simplify right side
    7,404.12x = 33,546,197.63
  5. Step 5: Solve for x
    x = 33,546,197.63/7,404.12
  6. Step 6: Final answer
    x = 4,530.75

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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.