Home / 10,087.51-15,131.27-2,692.00

Finding the Fourth Proportional to 10,087.51, 15,131.27 and 2,692.00

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Solution

The fourth proportional to 10,087.51, 15,131.27 and 2,692.00 is: 4,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.51 : 15,131.27 = 2,692.00 : x
  2. Step 2: Convert to fraction form
    10,087.51/15,131.27 = 2,692.00/x
  3. Step 3: Cross multiply
    10,087.51x = 15,131.27 × 2,692.00
  4. Step 4: Simplify right side
    10,087.51x = 40,733,289.72
  5. Step 5: Solve for x
    x = 40,733,289.72/10,087.51
  6. Step 6: Final answer
    x = 4,037.99

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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.