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Finding the Fourth Proportional to 8,762.46, 12,092.15 and 4,783.57

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Solution

The fourth proportional to 8,762.46, 12,092.15 and 4,783.57 is: 6,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.46 : 12,092.15 = 4,783.57 : x
  2. Step 2: Convert to fraction form
    8,762.46/12,092.15 = 4,783.57/x
  3. Step 3: Cross multiply
    8,762.46x = 12,092.15 × 4,783.57
  4. Step 4: Simplify right side
    8,762.46x = 57,843,645.98
  5. Step 5: Solve for x
    x = 57,843,645.98/8,762.46
  6. Step 6: Final answer
    x = 6,601.30

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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.