Home / 7,991.76-11,027.59-4,633.86

Finding the Fourth Proportional to 7,991.76, 11,027.59 and 4,633.86

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Solution

The fourth proportional to 7,991.76, 11,027.59 and 4,633.86 is: 6,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.76 : 11,027.59 = 4,633.86 : x
  2. Step 2: Convert to fraction form
    7,991.76/11,027.59 = 4,633.86/x
  3. Step 3: Cross multiply
    7,991.76x = 11,027.59 × 4,633.86
  4. Step 4: Simplify right side
    7,991.76x = 51,100,308.20
  5. Step 5: Solve for x
    x = 51,100,308.20/7,991.76
  6. Step 6: Final answer
    x = 6,394.12

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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.