Home / 8,215.44-11,342.88-5,073.36

Finding the Fourth Proportional to 8,215.44, 11,342.88 and 5,073.36

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Solution

The fourth proportional to 8,215.44, 11,342.88 and 5,073.36 is: 7,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.44 : 11,342.88 = 5,073.36 : x
  2. Step 2: Convert to fraction form
    8,215.44/11,342.88 = 5,073.36/x
  3. Step 3: Cross multiply
    8,215.44x = 11,342.88 × 5,073.36
  4. Step 4: Simplify right side
    8,215.44x = 57,546,513.68
  5. Step 5: Solve for x
    x = 57,546,513.68/8,215.44
  6. Step 6: Final answer
    x = 7,004.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.