Home / 12,692.96-19,041.28-4,375.04

Finding the Fourth Proportional to 12,692.96, 19,041.28 and 4,375.04

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Solution

The fourth proportional to 12,692.96, 19,041.28 and 4,375.04 is: 6,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.96 : 19,041.28 = 4,375.04 : x
  2. Step 2: Convert to fraction form
    12,692.96/19,041.28 = 4,375.04/x
  3. Step 3: Cross multiply
    12,692.96x = 19,041.28 × 4,375.04
  4. Step 4: Simplify right side
    12,692.96x = 83,306,361.65
  5. Step 5: Solve for x
    x = 83,306,361.65/12,692.96
  6. Step 6: Final answer
    x = 6,563.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.