Home / 11,745.31-16,208.91-6,708.46

Finding the Fourth Proportional to 11,745.31, 16,208.91 and 6,708.46

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Solution

The fourth proportional to 11,745.31, 16,208.91 and 6,708.46 is: 9,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.31 : 16,208.91 = 6,708.46 : x
  2. Step 2: Convert to fraction form
    11,745.31/16,208.91 = 6,708.46/x
  3. Step 3: Cross multiply
    11,745.31x = 16,208.91 × 6,708.46
  4. Step 4: Simplify right side
    11,745.31x = 108,736,824.38
  5. Step 5: Solve for x
    x = 108,736,824.38/11,745.31
  6. Step 6: Final answer
    x = 9,257.89

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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.