Home / 7,211.13-9,951.37-4,067.32

Finding the Fourth Proportional to 7,211.13, 9,951.37 and 4,067.32

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Solution

The fourth proportional to 7,211.13, 9,951.37 and 4,067.32 is: 5,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.13 : 9,951.37 = 4,067.32 : x
  2. Step 2: Convert to fraction form
    7,211.13/9,951.37 = 4,067.32/x
  3. Step 3: Cross multiply
    7,211.13x = 9,951.37 × 4,067.32
  4. Step 4: Simplify right side
    7,211.13x = 40,475,371.18
  5. Step 5: Solve for x
    x = 40,475,371.18/7,211.13
  6. Step 6: Final answer
    x = 5,612.90

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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.