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Finding the Fourth Proportional to 12,173.28, 16,798.62 and 7,393.74

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Solution

The fourth proportional to 12,173.28, 16,798.62 and 7,393.74 is: 10,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.28 : 16,798.62 = 7,393.74 : x
  2. Step 2: Convert to fraction form
    12,173.28/16,798.62 = 7,393.74/x
  3. Step 3: Cross multiply
    12,173.28x = 16,798.62 × 7,393.74
  4. Step 4: Simplify right side
    12,173.28x = 124,204,628.64
  5. Step 5: Solve for x
    x = 124,204,628.64/12,173.28
  6. Step 6: Final answer
    x = 10,203.05

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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.