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Finding the Fourth Proportional to 6,503.16, 8,973.42 and 3,850.68

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Solution

The fourth proportional to 6,503.16, 8,973.42 and 3,850.68 is: 5,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.16 : 8,973.42 = 3,850.68 : x
  2. Step 2: Convert to fraction form
    6,503.16/8,973.42 = 3,850.68/x
  3. Step 3: Cross multiply
    6,503.16x = 8,973.42 × 3,850.68
  4. Step 4: Simplify right side
    6,503.16x = 34,553,768.93
  5. Step 5: Solve for x
    x = 34,553,768.93/6,503.16
  6. Step 6: Final answer
    x = 5,313.38

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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.