Home / 6,906.12-10,358.10-2,289.12

Finding the Fourth Proportional to 6,906.12, 10,358.10 and 2,289.12

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Solution

The fourth proportional to 6,906.12, 10,358.10 and 2,289.12 is: 3,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,906.12 : 10,358.10 = 2,289.12 : x
  2. Step 2: Convert to fraction form
    6,906.12/10,358.10 = 2,289.12/x
  3. Step 3: Cross multiply
    6,906.12x = 10,358.10 × 2,289.12
  4. Step 4: Simplify right side
    6,906.12x = 23,710,933.87
  5. Step 5: Solve for x
    x = 23,710,933.87/6,906.12
  6. Step 6: Final answer
    x = 3,433.32

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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.