Home / 7,636.31-11,453.36-2,958.56

Finding the Fourth Proportional to 7,636.31, 11,453.36 and 2,958.56

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Solution

The fourth proportional to 7,636.31, 11,453.36 and 2,958.56 is: 4,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.31 : 11,453.36 = 2,958.56 : x
  2. Step 2: Convert to fraction form
    7,636.31/11,453.36 = 2,958.56/x
  3. Step 3: Cross multiply
    7,636.31x = 11,453.36 × 2,958.56
  4. Step 4: Simplify right side
    7,636.31x = 33,885,395.49
  5. Step 5: Solve for x
    x = 33,885,395.49/7,636.31
  6. Step 6: Final answer
    x = 4,437.41

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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.