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Finding the Fourth Proportional to 11,034.81, 15,224.64 and 6,253.98

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Solution

The fourth proportional to 11,034.81, 15,224.64 and 6,253.98 is: 8,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.81 : 15,224.64 = 6,253.98 : x
  2. Step 2: Convert to fraction form
    11,034.81/15,224.64 = 6,253.98/x
  3. Step 3: Cross multiply
    11,034.81x = 15,224.64 × 6,253.98
  4. Step 4: Simplify right side
    11,034.81x = 95,214,594.07
  5. Step 5: Solve for x
    x = 95,214,594.07/11,034.81
  6. Step 6: Final answer
    x = 8,628.57

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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.