Home / 6,676.20-9,211.50-4,315.50

Finding the Fourth Proportional to 6,676.20, 9,211.50 and 4,315.50

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Solution

The fourth proportional to 6,676.20, 9,211.50 and 4,315.50 is: 5,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.20 : 9,211.50 = 4,315.50 : x
  2. Step 2: Convert to fraction form
    6,676.20/9,211.50 = 4,315.50/x
  3. Step 3: Cross multiply
    6,676.20x = 9,211.50 × 4,315.50
  4. Step 4: Simplify right side
    6,676.20x = 39,752,228.25
  5. Step 5: Solve for x
    x = 39,752,228.25/6,676.20
  6. Step 6: Final answer
    x = 5,954.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.