Home / 7,748.31-10,692.67-4,211.53

Finding the Fourth Proportional to 7,748.31, 10,692.67 and 4,211.53

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Solution

The fourth proportional to 7,748.31, 10,692.67 and 4,211.53 is: 5,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.31 : 10,692.67 = 4,211.53 : x
  2. Step 2: Convert to fraction form
    7,748.31/10,692.67 = 4,211.53/x
  3. Step 3: Cross multiply
    7,748.31x = 10,692.67 × 4,211.53
  4. Step 4: Simplify right side
    7,748.31x = 45,032,500.49
  5. Step 5: Solve for x
    x = 45,032,500.49/7,748.31
  6. Step 6: Final answer
    x = 5,811.91

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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.