Home / 11,201.72-15,455.30-6,950.75

Finding the Fourth Proportional to 11,201.72, 15,455.30 and 6,950.75

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Solution

The fourth proportional to 11,201.72, 15,455.30 and 6,950.75 is: 9,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.72 : 15,455.30 = 6,950.75 : x
  2. Step 2: Convert to fraction form
    11,201.72/15,455.30 = 6,950.75/x
  3. Step 3: Cross multiply
    11,201.72x = 15,455.30 × 6,950.75
  4. Step 4: Simplify right side
    11,201.72x = 107,425,814.44
  5. Step 5: Solve for x
    x = 107,425,814.44/11,201.72
  6. Step 6: Final answer
    x = 9,590.12

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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.