Home / 11,745.48-16,208.15-6,708.71

Finding the Fourth Proportional to 11,745.48, 16,208.15 and 6,708.71

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Solution

The fourth proportional to 11,745.48, 16,208.15 and 6,708.71 is: 9,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.48 : 16,208.15 = 6,708.71 : x
  2. Step 2: Convert to fraction form
    11,745.48/16,208.15 = 6,708.71/x
  3. Step 3: Cross multiply
    11,745.48x = 16,208.15 × 6,708.71
  4. Step 4: Simplify right side
    11,745.48x = 108,735,663.40
  5. Step 5: Solve for x
    x = 108,735,663.40/11,745.48
  6. Step 6: Final answer
    x = 9,257.66

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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.