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Finding the Fourth Proportional to 12,248.96, 16,903.74 and 6,943.65

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Solution

The fourth proportional to 12,248.96, 16,903.74 and 6,943.65 is: 9,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.96 : 16,903.74 = 6,943.65 : x
  2. Step 2: Convert to fraction form
    12,248.96/16,903.74 = 6,943.65/x
  3. Step 3: Cross multiply
    12,248.96x = 16,903.74 × 6,943.65
  4. Step 4: Simplify right side
    12,248.96x = 117,373,654.25
  5. Step 5: Solve for x
    x = 117,373,654.25/12,248.96
  6. Step 6: Final answer
    x = 9,582.34

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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.