Home / 8,522.12-11,760.25-4,745.45

Finding the Fourth Proportional to 8,522.12, 11,760.25 and 4,745.45

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Solution

The fourth proportional to 8,522.12, 11,760.25 and 4,745.45 is: 6,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.12 : 11,760.25 = 4,745.45 : x
  2. Step 2: Convert to fraction form
    8,522.12/11,760.25 = 4,745.45/x
  3. Step 3: Cross multiply
    8,522.12x = 11,760.25 × 4,745.45
  4. Step 4: Simplify right side
    8,522.12x = 55,807,661.86
  5. Step 5: Solve for x
    x = 55,807,661.86/8,522.12
  6. Step 6: Final answer
    x = 6,548.56

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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.