Home / 11,975.80-17,965.89-4,952.01

Finding the Fourth Proportional to 11,975.80, 17,965.89 and 4,952.01

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Solution

The fourth proportional to 11,975.80, 17,965.89 and 4,952.01 is: 7,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.80 : 17,965.89 = 4,952.01 : x
  2. Step 2: Convert to fraction form
    11,975.80/17,965.89 = 4,952.01/x
  3. Step 3: Cross multiply
    11,975.80x = 17,965.89 × 4,952.01
  4. Step 4: Simplify right side
    11,975.80x = 88,967,266.94
  5. Step 5: Solve for x
    x = 88,967,266.94/11,975.80
  6. Step 6: Final answer
    x = 7,428.92

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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.