Home / 7,410.10-11,114.55-2,215.99

Finding the Fourth Proportional to 7,410.10, 11,114.55 and 2,215.99

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Solution

The fourth proportional to 7,410.10, 11,114.55 and 2,215.99 is: 3,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.10 : 11,114.55 = 2,215.99 : x
  2. Step 2: Convert to fraction form
    7,410.10/11,114.55 = 2,215.99/x
  3. Step 3: Cross multiply
    7,410.10x = 11,114.55 × 2,215.99
  4. Step 4: Simplify right side
    7,410.10x = 24,629,731.65
  5. Step 5: Solve for x
    x = 24,629,731.65/7,410.10
  6. Step 6: Final answer
    x = 3,323.81

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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.