Home / 7,748.46-10,692.90-4,211.69

Finding the Fourth Proportional to 7,748.46, 10,692.90 and 4,211.69

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Solution

The fourth proportional to 7,748.46, 10,692.90 and 4,211.69 is: 5,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.46 : 10,692.90 = 4,211.69 : x
  2. Step 2: Convert to fraction form
    7,748.46/10,692.90 = 4,211.69/x
  3. Step 3: Cross multiply
    7,748.46x = 10,692.90 × 4,211.69
  4. Step 4: Simplify right side
    7,748.46x = 45,035,126.54
  5. Step 5: Solve for x
    x = 45,035,126.54/7,748.46
  6. Step 6: Final answer
    x = 5,812.14

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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.