Home / 11,716.48-17,610.90-7,845.76

Finding the Fourth Proportional to 11,716.48, 17,610.90 and 7,845.76

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Solution

The fourth proportional to 11,716.48, 17,610.90 and 7,845.76 is: 11,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.48 : 17,610.90 = 7,845.76 : x
  2. Step 2: Convert to fraction form
    11,716.48/17,610.90 = 7,845.76/x
  3. Step 3: Cross multiply
    11,716.48x = 17,610.90 × 7,845.76
  4. Step 4: Simplify right side
    11,716.48x = 138,170,894.78
  5. Step 5: Solve for x
    x = 138,170,894.78/11,716.48
  6. Step 6: Final answer
    x = 11,792.87

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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.