Home / 11,781.37-16,263.86-7,476.63

Finding the Fourth Proportional to 11,781.37, 16,263.86 and 7,476.63

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Solution

The fourth proportional to 11,781.37, 16,263.86 and 7,476.63 is: 10,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.37 : 16,263.86 = 7,476.63 : x
  2. Step 2: Convert to fraction form
    11,781.37/16,263.86 = 7,476.63/x
  3. Step 3: Cross multiply
    11,781.37x = 16,263.86 × 7,476.63
  4. Step 4: Simplify right side
    11,781.37x = 121,598,863.59
  5. Step 5: Solve for x
    x = 121,598,863.59/11,781.37
  6. Step 6: Final answer
    x = 10,321.28

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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.