Home / 11,605.08-16,010.82-7,628.34

Finding the Fourth Proportional to 11,605.08, 16,010.82 and 7,628.34

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Solution

The fourth proportional to 11,605.08, 16,010.82 and 7,628.34 is: 10,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.08 : 16,010.82 = 7,628.34 : x
  2. Step 2: Convert to fraction form
    11,605.08/16,010.82 = 7,628.34/x
  3. Step 3: Cross multiply
    11,605.08x = 16,010.82 × 7,628.34
  4. Step 4: Simplify right side
    11,605.08x = 122,135,978.64
  5. Step 5: Solve for x
    x = 122,135,978.64/11,605.08
  6. Step 6: Final answer
    x = 10,524.35

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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.