Home / 7,434.45-11,147.40-3,049.50

Finding the Fourth Proportional to 7,434.45, 11,147.40 and 3,049.50

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Solution

The fourth proportional to 7,434.45, 11,147.40 and 3,049.50 is: 4,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.45 : 11,147.40 = 3,049.50 : x
  2. Step 2: Convert to fraction form
    7,434.45/11,147.40 = 3,049.50/x
  3. Step 3: Cross multiply
    7,434.45x = 11,147.40 × 3,049.50
  4. Step 4: Simplify right side
    7,434.45x = 33,993,996.30
  5. Step 5: Solve for x
    x = 33,993,996.30/7,434.45
  6. Step 6: Final answer
    x = 4,572.50

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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.