Home / 11,745.32-16,207.62-6,776.36

Finding the Fourth Proportional to 11,745.32, 16,207.62 and 6,776.36

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Solution

The fourth proportional to 11,745.32, 16,207.62 and 6,776.36 is: 9,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.32 : 16,207.62 = 6,776.36 : x
  2. Step 2: Convert to fraction form
    11,745.32/16,207.62 = 6,776.36/x
  3. Step 3: Cross multiply
    11,745.32x = 16,207.62 × 6,776.36
  4. Step 4: Simplify right side
    11,745.32x = 109,828,667.86
  5. Step 5: Solve for x
    x = 109,828,667.86/11,745.32
  6. Step 6: Final answer
    x = 9,350.85

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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.