Home / 8,435.88-11,633.22-5,705.37

Finding the Fourth Proportional to 8,435.88, 11,633.22 and 5,705.37

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Solution

The fourth proportional to 8,435.88, 11,633.22 and 5,705.37 is: 7,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.88 : 11,633.22 = 5,705.37 : x
  2. Step 2: Convert to fraction form
    8,435.88/11,633.22 = 5,705.37/x
  3. Step 3: Cross multiply
    8,435.88x = 11,633.22 × 5,705.37
  4. Step 4: Simplify right side
    8,435.88x = 66,371,824.39
  5. Step 5: Solve for x
    x = 66,371,824.39/8,435.88
  6. Step 6: Final answer
    x = 7,867.80

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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.