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Finding the Fourth Proportional to 7,822.46, 10,794.93 and 4,237.34

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Solution

The fourth proportional to 7,822.46, 10,794.93 and 4,237.34 is: 5,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.46 : 10,794.93 = 4,237.34 : x
  2. Step 2: Convert to fraction form
    7,822.46/10,794.93 = 4,237.34/x
  3. Step 3: Cross multiply
    7,822.46x = 10,794.93 × 4,237.34
  4. Step 4: Simplify right side
    7,822.46x = 45,741,752.16
  5. Step 5: Solve for x
    x = 45,741,752.16/7,822.46
  6. Step 6: Final answer
    x = 5,847.49

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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.