Home / 8,744.57-13,118.67-2,900.75

Finding the Fourth Proportional to 8,744.57, 13,118.67 and 2,900.75

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Solution

The fourth proportional to 8,744.57, 13,118.67 and 2,900.75 is: 4,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.57 : 13,118.67 = 2,900.75 : x
  2. Step 2: Convert to fraction form
    8,744.57/13,118.67 = 2,900.75/x
  3. Step 3: Cross multiply
    8,744.57x = 13,118.67 × 2,900.75
  4. Step 4: Simplify right side
    8,744.57x = 38,054,014.80
  5. Step 5: Solve for x
    x = 38,054,014.80/8,744.57
  6. Step 6: Final answer
    x = 4,351.73

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1.5x scale

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.