Home / 29,311.05-43,965.96-7,124.54

Finding the Fourth Proportional to 29,311.05, 43,965.96 and 7,124.54

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Solution

The fourth proportional to 29,311.05, 43,965.96 and 7,124.54 is: 10,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.05 : 43,965.96 = 7,124.54 : x
  2. Step 2: Convert to fraction form
    29,311.05/43,965.96 = 7,124.54/x
  3. Step 3: Cross multiply
    29,311.05x = 43,965.96 × 7,124.54
  4. Step 4: Simplify right side
    29,311.05x = 313,237,350.57
  5. Step 5: Solve for x
    x = 313,237,350.57/29,311.05
  6. Step 6: Final answer
    x = 10,686.66

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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.