Home / 10,925.36-16,378.20-3,998.24

Finding the Fourth Proportional to 10,925.36, 16,378.20 and 3,998.24

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Solution

The fourth proportional to 10,925.36, 16,378.20 and 3,998.24 is: 5,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.36 : 16,378.20 = 3,998.24 : x
  2. Step 2: Convert to fraction form
    10,925.36/16,378.20 = 3,998.24/x
  3. Step 3: Cross multiply
    10,925.36x = 16,378.20 × 3,998.24
  4. Step 4: Simplify right side
    10,925.36x = 65,483,974.37
  5. Step 5: Solve for x
    x = 65,483,974.37/10,925.36
  6. Step 6: Final answer
    x = 5,993.76

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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.