Home / 11,802.20-17,703.29-4,876.88

Finding the Fourth Proportional to 11,802.20, 17,703.29 and 4,876.88

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Solution

The fourth proportional to 11,802.20, 17,703.29 and 4,876.88 is: 7,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.20 : 17,703.29 = 4,876.88 : x
  2. Step 2: Convert to fraction form
    11,802.20/17,703.29 = 4,876.88/x
  3. Step 3: Cross multiply
    11,802.20x = 17,703.29 × 4,876.88
  4. Step 4: Simplify right side
    11,802.20x = 86,336,708.03
  5. Step 5: Solve for x
    x = 86,336,708.03/11,802.20
  6. Step 6: Final answer
    x = 7,315.31

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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.