Home / 11,464.45-17,196.74-5,220.09

Finding the Fourth Proportional to 11,464.45, 17,196.74 and 5,220.09

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Solution

The fourth proportional to 11,464.45, 17,196.74 and 5,220.09 is: 7,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.45 : 17,196.74 = 5,220.09 : x
  2. Step 2: Convert to fraction form
    11,464.45/17,196.74 = 5,220.09/x
  3. Step 3: Cross multiply
    11,464.45x = 17,196.74 × 5,220.09
  4. Step 4: Simplify right side
    11,464.45x = 89,768,504.41
  5. Step 5: Solve for x
    x = 89,768,504.41/11,464.45
  6. Step 6: Final answer
    x = 7,830.17

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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.