Home / 11,113.38-16,672.67-3,215.58

Finding the Fourth Proportional to 11,113.38, 16,672.67 and 3,215.58

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Solution

The fourth proportional to 11,113.38, 16,672.67 and 3,215.58 is: 4,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.38 : 16,672.67 = 3,215.58 : x
  2. Step 2: Convert to fraction form
    11,113.38/16,672.67 = 3,215.58/x
  3. Step 3: Cross multiply
    11,113.38x = 16,672.67 × 3,215.58
  4. Step 4: Simplify right side
    11,113.38x = 53,612,288.12
  5. Step 5: Solve for x
    x = 53,612,288.12/11,113.38
  6. Step 6: Final answer
    x = 4,824.12

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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.