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Finding the Fourth Proportional to 11,040.30, 15,235.86 and 6,004.86

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Solution

The fourth proportional to 11,040.30, 15,235.86 and 6,004.86 is: 8,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.30 : 15,235.86 = 6,004.86 : x
  2. Step 2: Convert to fraction form
    11,040.30/15,235.86 = 6,004.86/x
  3. Step 3: Cross multiply
    11,040.30x = 15,235.86 × 6,004.86
  4. Step 4: Simplify right side
    11,040.30x = 91,489,206.28
  5. Step 5: Solve for x
    x = 91,489,206.28/11,040.30
  6. Step 6: Final answer
    x = 8,286.84

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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.