Home / 7,121.34-10,676.16-4,625.10

Finding the Fourth Proportional to 7,121.34, 10,676.16 and 4,625.10

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Solution

The fourth proportional to 7,121.34, 10,676.16 and 4,625.10 is: 6,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.34 : 10,676.16 = 4,625.10 : x
  2. Step 2: Convert to fraction form
    7,121.34/10,676.16 = 4,625.10/x
  3. Step 3: Cross multiply
    7,121.34x = 10,676.16 × 4,625.10
  4. Step 4: Simplify right side
    7,121.34x = 49,378,307.62
  5. Step 5: Solve for x
    x = 49,378,307.62/7,121.34
  6. Step 6: Final answer
    x = 6,933.85

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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.