Home / 11,163.77-16,665.76-10,774.19

Finding the Fourth Proportional to 11,163.77, 16,665.76 and 10,774.19

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Solution

The fourth proportional to 11,163.77, 16,665.76 and 10,774.19 is: 16,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.77 : 16,665.76 = 10,774.19 : x
  2. Step 2: Convert to fraction form
    11,163.77/16,665.76 = 10,774.19/x
  3. Step 3: Cross multiply
    11,163.77x = 16,665.76 × 10,774.19
  4. Step 4: Simplify right side
    11,163.77x = 179,560,079.46
  5. Step 5: Solve for x
    x = 179,560,079.46/11,163.77
  6. Step 6: Final answer
    x = 16,084.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.