Home / 11,213.88-15,475.50-6,177.72

Finding the Fourth Proportional to 11,213.88, 15,475.50 and 6,177.72

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Solution

The fourth proportional to 11,213.88, 15,475.50 and 6,177.72 is: 8,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.88 : 15,475.50 = 6,177.72 : x
  2. Step 2: Convert to fraction form
    11,213.88/15,475.50 = 6,177.72/x
  3. Step 3: Cross multiply
    11,213.88x = 15,475.50 × 6,177.72
  4. Step 4: Simplify right side
    11,213.88x = 95,603,305.86
  5. Step 5: Solve for x
    x = 95,603,305.86/11,213.88
  6. Step 6: Final answer
    x = 8,525.44

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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.