Home / 7,958.96-10,983.12-4,422.08

Finding the Fourth Proportional to 7,958.96, 10,983.12 and 4,422.08

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Solution

The fourth proportional to 7,958.96, 10,983.12 and 4,422.08 is: 6,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.96 : 10,983.12 = 4,422.08 : x
  2. Step 2: Convert to fraction form
    7,958.96/10,983.12 = 4,422.08/x
  3. Step 3: Cross multiply
    7,958.96x = 10,983.12 × 4,422.08
  4. Step 4: Simplify right side
    7,958.96x = 48,568,235.29
  5. Step 5: Solve for x
    x = 48,568,235.29/7,958.96
  6. Step 6: Final answer
    x = 6,102.33

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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.