Home / 7,899.35-11,847.73-2,633.90

Finding the Fourth Proportional to 7,899.35, 11,847.73 and 2,633.90

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Solution

The fourth proportional to 7,899.35, 11,847.73 and 2,633.90 is: 3,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.35 : 11,847.73 = 2,633.90 : x
  2. Step 2: Convert to fraction form
    7,899.35/11,847.73 = 2,633.90/x
  3. Step 3: Cross multiply
    7,899.35x = 11,847.73 × 2,633.90
  4. Step 4: Simplify right side
    7,899.35x = 31,205,663.64
  5. Step 5: Solve for x
    x = 31,205,663.64/7,899.35
  6. Step 6: Final answer
    x = 3,950.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.