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Finding the Fourth Proportional to 7,090.94, 9,783.82 and 5,960.90

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Solution

The fourth proportional to 7,090.94, 9,783.82 and 5,960.90 is: 8,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.94 : 9,783.82 = 5,960.90 : x
  2. Step 2: Convert to fraction form
    7,090.94/9,783.82 = 5,960.90/x
  3. Step 3: Cross multiply
    7,090.94x = 9,783.82 × 5,960.90
  4. Step 4: Simplify right side
    7,090.94x = 58,320,372.64
  5. Step 5: Solve for x
    x = 58,320,372.64/7,090.94
  6. Step 6: Final answer
    x = 8,224.63

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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.