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Finding the Fourth Proportional to 11,047.56, 15,243.93 and 6,330.93

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Solution

The fourth proportional to 11,047.56, 15,243.93 and 6,330.93 is: 8,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.56 : 15,243.93 = 6,330.93 : x
  2. Step 2: Convert to fraction form
    11,047.56/15,243.93 = 6,330.93/x
  3. Step 3: Cross multiply
    11,047.56x = 15,243.93 × 6,330.93
  4. Step 4: Simplify right side
    11,047.56x = 96,508,253.75
  5. Step 5: Solve for x
    x = 96,508,253.75/11,047.56
  6. Step 6: Final answer
    x = 8,735.71

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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.