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Finding the Fourth Proportional to 12,316.56, 16,996.86 and 6,727.56

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Solution

The fourth proportional to 12,316.56, 16,996.86 and 6,727.56 is: 9,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.56 : 16,996.86 = 6,727.56 : x
  2. Step 2: Convert to fraction form
    12,316.56/16,996.86 = 6,727.56/x
  3. Step 3: Cross multiply
    12,316.56x = 16,996.86 × 6,727.56
  4. Step 4: Simplify right side
    12,316.56x = 114,347,395.46
  5. Step 5: Solve for x
    x = 114,347,395.46/12,316.56
  6. Step 6: Final answer
    x = 9,284.04

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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.