Home / 7,748.24-10,692.14-4,211.42

Finding the Fourth Proportional to 7,748.24, 10,692.14 and 4,211.42

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Solution

The fourth proportional to 7,748.24, 10,692.14 and 4,211.42 is: 5,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.24 : 10,692.14 = 4,211.42 : x
  2. Step 2: Convert to fraction form
    7,748.24/10,692.14 = 4,211.42/x
  3. Step 3: Cross multiply
    7,748.24x = 10,692.14 × 4,211.42
  4. Step 4: Simplify right side
    7,748.24x = 45,029,017.72
  5. Step 5: Solve for x
    x = 45,029,017.72/7,748.24
  6. Step 6: Final answer
    x = 5,811.52

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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.