Home / 11,986.38-17,975.52-4,966.92

Finding the Fourth Proportional to 11,986.38, 17,975.52 and 4,966.92

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Solution

The fourth proportional to 11,986.38, 17,975.52 and 4,966.92 is: 7,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.38 : 17,975.52 = 4,966.92 : x
  2. Step 2: Convert to fraction form
    11,986.38/17,975.52 = 4,966.92/x
  3. Step 3: Cross multiply
    11,986.38x = 17,975.52 × 4,966.92
  4. Step 4: Simplify right side
    11,986.38x = 89,282,969.80
  5. Step 5: Solve for x
    x = 89,282,969.80/11,986.38
  6. Step 6: Final answer
    x = 7,448.70

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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.