Home / 11,222.44-15,480.58-6,505

Finding the Fourth Proportional to 11,222.44, 15,480.58 and 6,505

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Solution

The fourth proportional to 11,222.44, 15,480.58 and 6,505 is: 8,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.44 : 15,480.58 = 6,505 : x
  2. Step 2: Convert to fraction form
    11,222.44/15,480.58 = 6,505/x
  3. Step 3: Cross multiply
    11,222.44x = 15,480.58 × 6,505
  4. Step 4: Simplify right side
    11,222.44x = 100,701,172.90
  5. Step 5: Solve for x
    x = 100,701,172.90/11,222.44
  6. Step 6: Final answer
    x = 8,973.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.