Home / 9,208.26-12,707.22-5,671.38

Finding the Fourth Proportional to 9,208.26, 12,707.22 and 5,671.38

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Solution

The fourth proportional to 9,208.26, 12,707.22 and 5,671.38 is: 7,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.26 : 12,707.22 = 5,671.38 : x
  2. Step 2: Convert to fraction form
    9,208.26/12,707.22 = 5,671.38/x
  3. Step 3: Cross multiply
    9,208.26x = 12,707.22 × 5,671.38
  4. Step 4: Simplify right side
    9,208.26x = 72,067,473.36
  5. Step 5: Solve for x
    x = 72,067,473.36/9,208.26
  6. Step 6: Final answer
    x = 7,826.39

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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.