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Finding the Fourth Proportional to 8,873.82, 12,237.08 and 5,336.55

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Solution

The fourth proportional to 8,873.82, 12,237.08 and 5,336.55 is: 7,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.82 : 12,237.08 = 5,336.55 : x
  2. Step 2: Convert to fraction form
    8,873.82/12,237.08 = 5,336.55/x
  3. Step 3: Cross multiply
    8,873.82x = 12,237.08 × 5,336.55
  4. Step 4: Simplify right side
    8,873.82x = 65,303,762.59
  5. Step 5: Solve for x
    x = 65,303,762.59/8,873.82
  6. Step 6: Final answer
    x = 7,359.15

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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.