Home / 8,674.97-11,968.66-5,314.28

Finding the Fourth Proportional to 8,674.97, 11,968.66 and 5,314.28

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Solution

The fourth proportional to 8,674.97, 11,968.66 and 5,314.28 is: 7,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.97 : 11,968.66 = 5,314.28 : x
  2. Step 2: Convert to fraction form
    8,674.97/11,968.66 = 5,314.28/x
  3. Step 3: Cross multiply
    8,674.97x = 11,968.66 × 5,314.28
  4. Step 4: Simplify right side
    8,674.97x = 63,604,810.46
  5. Step 5: Solve for x
    x = 63,604,810.46/8,674.97
  6. Step 6: Final answer
    x = 7,331.99

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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.