Home / 6,976.24-10,458.80-4,778.24

Finding the Fourth Proportional to 6,976.24, 10,458.80 and 4,778.24

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Solution

The fourth proportional to 6,976.24, 10,458.80 and 4,778.24 is: 7,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.24 : 10,458.80 = 4,778.24 : x
  2. Step 2: Convert to fraction form
    6,976.24/10,458.80 = 4,778.24/x
  3. Step 3: Cross multiply
    6,976.24x = 10,458.80 × 4,778.24
  4. Step 4: Simplify right side
    6,976.24x = 49,974,656.51
  5. Step 5: Solve for x
    x = 49,974,656.51/6,976.24
  6. Step 6: Final answer
    x = 7,163.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.