Home / 7,126.87-10,692.67-4,491.33

Finding the Fourth Proportional to 7,126.87, 10,692.67 and 4,491.33

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Solution

The fourth proportional to 7,126.87, 10,692.67 and 4,491.33 is: 6,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.87 : 10,692.67 = 4,491.33 : x
  2. Step 2: Convert to fraction form
    7,126.87/10,692.67 = 4,491.33/x
  3. Step 3: Cross multiply
    7,126.87x = 10,692.67 × 4,491.33
  4. Step 4: Simplify right side
    7,126.87x = 48,024,256.09
  5. Step 5: Solve for x
    x = 48,024,256.09/7,126.87
  6. Step 6: Final answer
    x = 6,738.48

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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.