Home / 11,718.63-17,584.80-4,328.25

Finding the Fourth Proportional to 11,718.63, 17,584.80 and 4,328.25

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Solution

The fourth proportional to 11,718.63, 17,584.80 and 4,328.25 is: 6,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.63 : 17,584.80 = 4,328.25 : x
  2. Step 2: Convert to fraction form
    11,718.63/17,584.80 = 4,328.25/x
  3. Step 3: Cross multiply
    11,718.63x = 17,584.80 × 4,328.25
  4. Step 4: Simplify right side
    11,718.63x = 76,111,410.60
  5. Step 5: Solve for x
    x = 76,111,410.60/11,718.63
  6. Step 6: Final answer
    x = 6,494.91

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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.