Home / 7,448.28-11,171.92-4,153.96

Finding the Fourth Proportional to 7,448.28, 11,171.92 and 4,153.96

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Solution

The fourth proportional to 7,448.28, 11,171.92 and 4,153.96 is: 6,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.28 : 11,171.92 = 4,153.96 : x
  2. Step 2: Convert to fraction form
    7,448.28/11,171.92 = 4,153.96/x
  3. Step 3: Cross multiply
    7,448.28x = 11,171.92 × 4,153.96
  4. Step 4: Simplify right side
    7,448.28x = 46,407,708.80
  5. Step 5: Solve for x
    x = 46,407,708.80/7,448.28
  6. Step 6: Final answer
    x = 6,230.66

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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.