Home / 7,961.13-11,937.60-3,574.85

Finding the Fourth Proportional to 7,961.13, 11,937.60 and 3,574.85

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Solution

The fourth proportional to 7,961.13, 11,937.60 and 3,574.85 is: 5,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.13 : 11,937.60 = 3,574.85 : x
  2. Step 2: Convert to fraction form
    7,961.13/11,937.60 = 3,574.85/x
  3. Step 3: Cross multiply
    7,961.13x = 11,937.60 × 3,574.85
  4. Step 4: Simplify right side
    7,961.13x = 42,675,069.67
  5. Step 5: Solve for x
    x = 42,675,069.67/7,961.13
  6. Step 6: Final answer
    x = 5,360.43

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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.