Home / 12,527.74-18,795.30-3,763.99

Finding the Fourth Proportional to 12,527.74, 18,795.30 and 3,763.99

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Solution

The fourth proportional to 12,527.74, 18,795.30 and 3,763.99 is: 5,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.74 : 18,795.30 = 3,763.99 : x
  2. Step 2: Convert to fraction form
    12,527.74/18,795.30 = 3,763.99/x
  3. Step 3: Cross multiply
    12,527.74x = 18,795.30 × 3,763.99
  4. Step 4: Simplify right side
    12,527.74x = 70,745,321.25
  5. Step 5: Solve for x
    x = 70,745,321.25/12,527.74
  6. Step 6: Final answer
    x = 5,647.09

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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.