Home / 11,403.81-17,105.58-6,755.76

Finding the Fourth Proportional to 11,403.81, 17,105.58 and 6,755.76

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Solution

The fourth proportional to 11,403.81, 17,105.58 and 6,755.76 is: 10,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.81 : 17,105.58 = 6,755.76 : x
  2. Step 2: Convert to fraction form
    11,403.81/17,105.58 = 6,755.76/x
  3. Step 3: Cross multiply
    11,403.81x = 17,105.58 × 6,755.76
  4. Step 4: Simplify right side
    11,403.81x = 115,561,193.14
  5. Step 5: Solve for x
    x = 115,561,193.14/11,403.81
  6. Step 6: Final answer
    x = 10,133.56

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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.