Home / 9,163.41-12,645.77-5,577.27

Finding the Fourth Proportional to 9,163.41, 12,645.77 and 5,577.27

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Solution

The fourth proportional to 9,163.41, 12,645.77 and 5,577.27 is: 7,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.41 : 12,645.77 = 5,577.27 : x
  2. Step 2: Convert to fraction form
    9,163.41/12,645.77 = 5,577.27/x
  3. Step 3: Cross multiply
    9,163.41x = 12,645.77 × 5,577.27
  4. Step 4: Simplify right side
    9,163.41x = 70,528,845.76
  5. Step 5: Solve for x
    x = 70,528,845.76/9,163.41
  6. Step 6: Final answer
    x = 7,696.79

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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.