Home / 7,429.11-11,142.25-3,730.34

Finding the Fourth Proportional to 7,429.11, 11,142.25 and 3,730.34

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Solution

The fourth proportional to 7,429.11, 11,142.25 and 3,730.34 is: 5,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.11 : 11,142.25 = 3,730.34 : x
  2. Step 2: Convert to fraction form
    7,429.11/11,142.25 = 3,730.34/x
  3. Step 3: Cross multiply
    7,429.11x = 11,142.25 × 3,730.34
  4. Step 4: Simplify right side
    7,429.11x = 41,564,380.87
  5. Step 5: Solve for x
    x = 41,564,380.87/7,429.11
  6. Step 6: Final answer
    x = 5,594.80

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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.