Home / 11,024.75-16,610.66-9,971.78

Finding the Fourth Proportional to 11,024.75, 16,610.66 and 9,971.78

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Solution

The fourth proportional to 11,024.75, 16,610.66 and 9,971.78 is: 15,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,024.75 : 16,610.66 = 9,971.78 : x
  2. Step 2: Convert to fraction form
    11,024.75/16,610.66 = 9,971.78/x
  3. Step 3: Cross multiply
    11,024.75x = 16,610.66 × 9,971.78
  4. Step 4: Simplify right side
    11,024.75x = 165,637,789.05
  5. Step 5: Solve for x
    x = 165,637,789.05/11,024.75
  6. Step 6: Final answer
    x = 15,024.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.