Home / 7,748.46-10,692.81-6,627.96

Finding the Fourth Proportional to 7,748.46, 10,692.81 and 6,627.96

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Solution

The fourth proportional to 7,748.46, 10,692.81 and 6,627.96 is: 9,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.46 : 10,692.81 = 6,627.96 : x
  2. Step 2: Convert to fraction form
    7,748.46/10,692.81 = 6,627.96/x
  3. Step 3: Cross multiply
    7,748.46x = 10,692.81 × 6,627.96
  4. Step 4: Simplify right side
    7,748.46x = 70,871,516.97
  5. Step 5: Solve for x
    x = 70,871,516.97/7,748.46
  6. Step 6: Final answer
    x = 9,146.53

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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.