Home / 7,550.11-11,321.51-3,166.39

Finding the Fourth Proportional to 7,550.11, 11,321.51 and 3,166.39

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Solution

The fourth proportional to 7,550.11, 11,321.51 and 3,166.39 is: 4,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.11 : 11,321.51 = 3,166.39 : x
  2. Step 2: Convert to fraction form
    7,550.11/11,321.51 = 3,166.39/x
  3. Step 3: Cross multiply
    7,550.11x = 11,321.51 × 3,166.39
  4. Step 4: Simplify right side
    7,550.11x = 35,848,316.05
  5. Step 5: Solve for x
    x = 35,848,316.05/7,550.11
  6. Step 6: Final answer
    x = 4,748.05

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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.