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Finding the Fourth Proportional to 12,248.96, 18,356.94 and 6,693.96

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Solution

The fourth proportional to 12,248.96, 18,356.94 and 6,693.96 is: 10,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.96 : 18,356.94 = 6,693.96 : x
  2. Step 2: Convert to fraction form
    12,248.96/18,356.94 = 6,693.96/x
  3. Step 3: Cross multiply
    12,248.96x = 18,356.94 × 6,693.96
  4. Step 4: Simplify right side
    12,248.96x = 122,880,622.08
  5. Step 5: Solve for x
    x = 122,880,622.08/12,248.96
  6. Step 6: Final answer
    x = 10,031.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.