Home / 7,479.87-10,318.37-4,494.60

Finding the Fourth Proportional to 7,479.87, 10,318.37 and 4,494.60

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Solution

The fourth proportional to 7,479.87, 10,318.37 and 4,494.60 is: 6,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.87 : 10,318.37 = 4,494.60 : x
  2. Step 2: Convert to fraction form
    7,479.87/10,318.37 = 4,494.60/x
  3. Step 3: Cross multiply
    7,479.87x = 10,318.37 × 4,494.60
  4. Step 4: Simplify right side
    7,479.87x = 46,376,923.33
  5. Step 5: Solve for x
    x = 46,376,923.33/7,479.87
  6. Step 6: Final answer
    x = 6,200.23

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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.