Home / 11,718.36-17,571.86-4,326.30

Finding the Fourth Proportional to 11,718.36, 17,571.86 and 4,326.30

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Solution

The fourth proportional to 11,718.36, 17,571.86 and 4,326.30 is: 6,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.36 : 17,571.86 = 4,326.30 : x
  2. Step 2: Convert to fraction form
    11,718.36/17,571.86 = 4,326.30/x
  3. Step 3: Cross multiply
    11,718.36x = 17,571.86 × 4,326.30
  4. Step 4: Simplify right side
    11,718.36x = 76,021,137.92
  5. Step 5: Solve for x
    x = 76,021,137.92/11,718.36
  6. Step 6: Final answer
    x = 6,487.35

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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.