Home / 7,990.60-11,025.96-4,453.33

Finding the Fourth Proportional to 7,990.60, 11,025.96 and 4,453.33

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Solution

The fourth proportional to 7,990.60, 11,025.96 and 4,453.33 is: 6,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.60 : 11,025.96 = 4,453.33 : x
  2. Step 2: Convert to fraction form
    7,990.60/11,025.96 = 4,453.33/x
  3. Step 3: Cross multiply
    7,990.60x = 11,025.96 × 4,453.33
  4. Step 4: Simplify right side
    7,990.60x = 49,102,238.45
  5. Step 5: Solve for x
    x = 49,102,238.45/7,990.60
  6. Step 6: Final answer
    x = 6,145.00

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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.