Home / 8,927.88-13,399.38-4,983.06

Finding the Fourth Proportional to 8,927.88, 13,399.38 and 4,983.06

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Solution

The fourth proportional to 8,927.88, 13,399.38 and 4,983.06 is: 7,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.88 : 13,399.38 = 4,983.06 : x
  2. Step 2: Convert to fraction form
    8,927.88/13,399.38 = 4,983.06/x
  3. Step 3: Cross multiply
    8,927.88x = 13,399.38 × 4,983.06
  4. Step 4: Simplify right side
    8,927.88x = 66,769,914.50
  5. Step 5: Solve for x
    x = 66,769,914.50/8,927.88
  6. Step 6: Final answer
    x = 7,478.81

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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.