Home / 7,906.44-10,913.16-5,219.62

Finding the Fourth Proportional to 7,906.44, 10,913.16 and 5,219.62

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Solution

The fourth proportional to 7,906.44, 10,913.16 and 5,219.62 is: 7,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.44 : 10,913.16 = 5,219.62 : x
  2. Step 2: Convert to fraction form
    7,906.44/10,913.16 = 5,219.62/x
  3. Step 3: Cross multiply
    7,906.44x = 10,913.16 × 5,219.62
  4. Step 4: Simplify right side
    7,906.44x = 56,962,548.20
  5. Step 5: Solve for x
    x = 56,962,548.20/7,906.44
  6. Step 6: Final answer
    x = 7,204.58

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1.5x scale

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.