Home / 11,348.85-17,017.81-3,953.15

Finding the Fourth Proportional to 11,348.85, 17,017.81 and 3,953.15

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Solution

The fourth proportional to 11,348.85, 17,017.81 and 3,953.15 is: 5,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.85 : 17,017.81 = 3,953.15 : x
  2. Step 2: Convert to fraction form
    11,348.85/17,017.81 = 3,953.15/x
  3. Step 3: Cross multiply
    11,348.85x = 17,017.81 × 3,953.15
  4. Step 4: Simplify right side
    11,348.85x = 67,273,860.63
  5. Step 5: Solve for x
    x = 67,273,860.63/11,348.85
  6. Step 6: Final answer
    x = 5,927.81

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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.