Home / 7,447.44-11,171.70-5,475.36

Finding the Fourth Proportional to 7,447.44, 11,171.70 and 5,475.36

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Solution

The fourth proportional to 7,447.44, 11,171.70 and 5,475.36 is: 8,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.44 : 11,171.70 = 5,475.36 : x
  2. Step 2: Convert to fraction form
    7,447.44/11,171.70 = 5,475.36/x
  3. Step 3: Cross multiply
    7,447.44x = 11,171.70 × 5,475.36
  4. Step 4: Simplify right side
    7,447.44x = 61,169,079.31
  5. Step 5: Solve for x
    x = 61,169,079.31/7,447.44
  6. Step 6: Final answer
    x = 8,213.44

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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.