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Finding the Fourth Proportional to 11,806.53, 16,293.06 and 6,501.44

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Solution

The fourth proportional to 11,806.53, 16,293.06 and 6,501.44 is: 8,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.53 : 16,293.06 = 6,501.44 : x
  2. Step 2: Convert to fraction form
    11,806.53/16,293.06 = 6,501.44/x
  3. Step 3: Cross multiply
    11,806.53x = 16,293.06 × 6,501.44
  4. Step 4: Simplify right side
    11,806.53x = 105,928,270.54
  5. Step 5: Solve for x
    x = 105,928,270.54/11,806.53
  6. Step 6: Final answer
    x = 8,972.01

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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.