Home / 10,087.08-15,129.23-2,692.14

Finding the Fourth Proportional to 10,087.08, 15,129.23 and 2,692.14

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Solution

The fourth proportional to 10,087.08, 15,129.23 and 2,692.14 is: 4,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.08 : 15,129.23 = 2,692.14 : x
  2. Step 2: Convert to fraction form
    10,087.08/15,129.23 = 2,692.14/x
  3. Step 3: Cross multiply
    10,087.08x = 15,129.23 × 2,692.14
  4. Step 4: Simplify right side
    10,087.08x = 40,729,991.79
  5. Step 5: Solve for x
    x = 40,729,991.79/10,087.08
  6. Step 6: Final answer
    x = 4,037.84

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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.