Home / 11,147.84-16,718.52-3,354.56

Finding the Fourth Proportional to 11,147.84, 16,718.52 and 3,354.56

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Solution

The fourth proportional to 11,147.84, 16,718.52 and 3,354.56 is: 5,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.84 : 16,718.52 = 3,354.56 : x
  2. Step 2: Convert to fraction form
    11,147.84/16,718.52 = 3,354.56/x
  3. Step 3: Cross multiply
    11,147.84x = 16,718.52 × 3,354.56
  4. Step 4: Simplify right side
    11,147.84x = 56,083,278.45
  5. Step 5: Solve for x
    x = 56,083,278.45/11,147.84
  6. Step 6: Final answer
    x = 5,030.87

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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.