Home / 11,974.16-17,963.40-5,403.44

Finding the Fourth Proportional to 11,974.16, 17,963.40 and 5,403.44

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Solution

The fourth proportional to 11,974.16, 17,963.40 and 5,403.44 is: 8,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.16 : 17,963.40 = 5,403.44 : x
  2. Step 2: Convert to fraction form
    11,974.16/17,963.40 = 5,403.44/x
  3. Step 3: Cross multiply
    11,974.16x = 17,963.40 × 5,403.44
  4. Step 4: Simplify right side
    11,974.16x = 97,064,154.10
  5. Step 5: Solve for x
    x = 97,064,154.10/11,974.16
  6. Step 6: Final answer
    x = 8,106.13

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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.