Home / 7,480.95-11,217.99-2,214.09

Finding the Fourth Proportional to 7,480.95, 11,217.99 and 2,214.09

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Solution

The fourth proportional to 7,480.95, 11,217.99 and 2,214.09 is: 3,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.95 : 11,217.99 = 2,214.09 : x
  2. Step 2: Convert to fraction form
    7,480.95/11,217.99 = 2,214.09/x
  3. Step 3: Cross multiply
    7,480.95x = 11,217.99 × 2,214.09
  4. Step 4: Simplify right side
    7,480.95x = 24,837,583.39
  5. Step 5: Solve for x
    x = 24,837,583.39/7,480.95
  6. Step 6: Final answer
    x = 3,320.11

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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.