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Finding the Fourth Proportional to 12,230.34, 16,877.88 and 6,641.34

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Solution

The fourth proportional to 12,230.34, 16,877.88 and 6,641.34 is: 9,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.34 : 16,877.88 = 6,641.34 : x
  2. Step 2: Convert to fraction form
    12,230.34/16,877.88 = 6,641.34/x
  3. Step 3: Cross multiply
    12,230.34x = 16,877.88 × 6,641.34
  4. Step 4: Simplify right side
    12,230.34x = 112,091,739.56
  5. Step 5: Solve for x
    x = 112,091,739.56/12,230.34
  6. Step 6: Final answer
    x = 9,165.06

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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.