Home / 11,408.12-17,113.26-4,481

Finding the Fourth Proportional to 11,408.12, 17,113.26 and 4,481

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Solution

The fourth proportional to 11,408.12, 17,113.26 and 4,481 is: 6,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.12 : 17,113.26 = 4,481 : x
  2. Step 2: Convert to fraction form
    11,408.12/17,113.26 = 4,481/x
  3. Step 3: Cross multiply
    11,408.12x = 17,113.26 × 4,481
  4. Step 4: Simplify right side
    11,408.12x = 76,684,518.06
  5. Step 5: Solve for x
    x = 76,684,518.06/11,408.12
  6. Step 6: Final answer
    x = 6,721.92

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1.5x scale

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.