Home / 10,883.82-15,020.74-6,408.97

Finding the Fourth Proportional to 10,883.82, 15,020.74 and 6,408.97

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Solution

The fourth proportional to 10,883.82, 15,020.74 and 6,408.97 is: 8,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.82 : 15,020.74 = 6,408.97 : x
  2. Step 2: Convert to fraction form
    10,883.82/15,020.74 = 6,408.97/x
  3. Step 3: Cross multiply
    10,883.82x = 15,020.74 × 6,408.97
  4. Step 4: Simplify right side
    10,883.82x = 96,267,526.99
  5. Step 5: Solve for x
    x = 96,267,526.99/10,883.82
  6. Step 6: Final answer
    x = 8,845.01

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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.