Home / 8,328.66-11,498.13-5,679.96

Finding the Fourth Proportional to 8,328.66, 11,498.13 and 5,679.96

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Solution

The fourth proportional to 8,328.66, 11,498.13 and 5,679.96 is: 7,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.66 : 11,498.13 = 5,679.96 : x
  2. Step 2: Convert to fraction form
    8,328.66/11,498.13 = 5,679.96/x
  3. Step 3: Cross multiply
    8,328.66x = 11,498.13 × 5,679.96
  4. Step 4: Simplify right side
    8,328.66x = 65,308,918.47
  5. Step 5: Solve for x
    x = 65,308,918.47/8,328.66
  6. Step 6: Final answer
    x = 7,841.47

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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.