Home / 7,992.72-11,030.89-4,635.64

Finding the Fourth Proportional to 7,992.72, 11,030.89 and 4,635.64

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Solution

The fourth proportional to 7,992.72, 11,030.89 and 4,635.64 is: 6,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.72 : 11,030.89 = 4,635.64 : x
  2. Step 2: Convert to fraction form
    7,992.72/11,030.89 = 4,635.64/x
  3. Step 3: Cross multiply
    7,992.72x = 11,030.89 × 4,635.64
  4. Step 4: Simplify right side
    7,992.72x = 51,135,234.92
  5. Step 5: Solve for x
    x = 51,135,234.92/7,992.72
  6. Step 6: Final answer
    x = 6,397.73

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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.