Home / 7,411.50-11,119.01-2,217.51

Finding the Fourth Proportional to 7,411.50, 11,119.01 and 2,217.51

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Solution

The fourth proportional to 7,411.50, 11,119.01 and 2,217.51 is: 3,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.50 : 11,119.01 = 2,217.51 : x
  2. Step 2: Convert to fraction form
    7,411.50/11,119.01 = 2,217.51/x
  3. Step 3: Cross multiply
    7,411.50x = 11,119.01 × 2,217.51
  4. Step 4: Simplify right side
    7,411.50x = 24,656,504.78
  5. Step 5: Solve for x
    x = 24,656,504.78/7,411.50
  6. Step 6: Final answer
    x = 3,326.79

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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.