Home / 6,961.50-9,606.89-3,774.85

Finding the Fourth Proportional to 6,961.50, 9,606.89 and 3,774.85

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Solution

The fourth proportional to 6,961.50, 9,606.89 and 3,774.85 is: 5,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.50 : 9,606.89 = 3,774.85 : x
  2. Step 2: Convert to fraction form
    6,961.50/9,606.89 = 3,774.85/x
  3. Step 3: Cross multiply
    6,961.50x = 9,606.89 × 3,774.85
  4. Step 4: Simplify right side
    6,961.50x = 36,264,554.14
  5. Step 5: Solve for x
    x = 36,264,554.14/6,961.50
  6. Step 6: Final answer
    x = 5,209.30

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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.