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Finding the Fourth Proportional to 11,042.63, 15,238.82 and 6,074.63

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Solution

The fourth proportional to 11,042.63, 15,238.82 and 6,074.63 is: 8,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.63 : 15,238.82 = 6,074.63 : x
  2. Step 2: Convert to fraction form
    11,042.63/15,238.82 = 6,074.63/x
  3. Step 3: Cross multiply
    11,042.63x = 15,238.82 × 6,074.63
  4. Step 4: Simplify right side
    11,042.63x = 92,570,132.13
  5. Step 5: Solve for x
    x = 92,570,132.13/11,042.63
  6. Step 6: Final answer
    x = 8,382.98

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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.