Home / 10,741.82-14,830.94-8,219.43

Finding the Fourth Proportional to 10,741.82, 14,830.94 and 8,219.43

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Solution

The fourth proportional to 10,741.82, 14,830.94 and 8,219.43 is: 11,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.82 : 14,830.94 = 8,219.43 : x
  2. Step 2: Convert to fraction form
    10,741.82/14,830.94 = 8,219.43/x
  3. Step 3: Cross multiply
    10,741.82x = 14,830.94 × 8,219.43
  4. Step 4: Simplify right side
    10,741.82x = 121,901,893.71
  5. Step 5: Solve for x
    x = 121,901,893.71/10,741.82
  6. Step 6: Final answer
    x = 11,348.34

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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.