Home / 11,272.27-15,550.49-7,294.67

Finding the Fourth Proportional to 11,272.27, 15,550.49 and 7,294.67

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Solution

The fourth proportional to 11,272.27, 15,550.49 and 7,294.67 is: 10,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.27 : 15,550.49 = 7,294.67 : x
  2. Step 2: Convert to fraction form
    11,272.27/15,550.49 = 7,294.67/x
  3. Step 3: Cross multiply
    11,272.27x = 15,550.49 × 7,294.67
  4. Step 4: Simplify right side
    11,272.27x = 113,435,692.89
  5. Step 5: Solve for x
    x = 113,435,692.89/11,272.27
  6. Step 6: Final answer
    x = 10,063.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.