Home / 6,418.01-8,856.90-3,692.96

Finding the Fourth Proportional to 6,418.01, 8,856.90 and 3,692.96

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Solution

The fourth proportional to 6,418.01, 8,856.90 and 3,692.96 is: 5,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.01 : 8,856.90 = 3,692.96 : x
  2. Step 2: Convert to fraction form
    6,418.01/8,856.90 = 3,692.96/x
  3. Step 3: Cross multiply
    6,418.01x = 8,856.90 × 3,692.96
  4. Step 4: Simplify right side
    6,418.01x = 32,708,133.14
  5. Step 5: Solve for x
    x = 32,708,133.14/6,418.01
  6. Step 6: Final answer
    x = 5,096.31

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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.