Home / 11,212.56-16,820.82-4,635.06

Finding the Fourth Proportional to 11,212.56, 16,820.82 and 4,635.06

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Solution

The fourth proportional to 11,212.56, 16,820.82 and 4,635.06 is: 6,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.56 : 16,820.82 = 4,635.06 : x
  2. Step 2: Convert to fraction form
    11,212.56/16,820.82 = 4,635.06/x
  3. Step 3: Cross multiply
    11,212.56x = 16,820.82 × 4,635.06
  4. Step 4: Simplify right side
    11,212.56x = 77,965,509.95
  5. Step 5: Solve for x
    x = 77,965,509.95/11,212.56
  6. Step 6: Final answer
    x = 6,953.41

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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.