Home / 11,975.76-17,963.64-5,563.70

Finding the Fourth Proportional to 11,975.76, 17,963.64 and 5,563.70

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Solution

The fourth proportional to 11,975.76, 17,963.64 and 5,563.70 is: 8,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.76 : 17,963.64 = 5,563.70 : x
  2. Step 2: Convert to fraction form
    11,975.76/17,963.64 = 5,563.70/x
  3. Step 3: Cross multiply
    11,975.76x = 17,963.64 × 5,563.70
  4. Step 4: Simplify right side
    11,975.76x = 99,944,281.41
  5. Step 5: Solve for x
    x = 99,944,281.41/11,975.76
  6. Step 6: Final answer
    x = 8,345.55

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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.