Home / 11,718.51-17,573.21-4,220.04

Finding the Fourth Proportional to 11,718.51, 17,573.21 and 4,220.04

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Solution

The fourth proportional to 11,718.51, 17,573.21 and 4,220.04 is: 6,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.51 : 17,573.21 = 4,220.04 : x
  2. Step 2: Convert to fraction form
    11,718.51/17,573.21 = 4,220.04/x
  3. Step 3: Cross multiply
    11,718.51x = 17,573.21 × 4,220.04
  4. Step 4: Simplify right side
    11,718.51x = 74,159,628.03
  5. Step 5: Solve for x
    x = 74,159,628.03/11,718.51
  6. Step 6: Final answer
    x = 6,328.42

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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.