Home / 46,640.10-69,960.84-11,579.76

Finding the Fourth Proportional to 46,640.10, 69,960.84 and 11,579.76

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Solution

The fourth proportional to 46,640.10, 69,960.84 and 11,579.76 is: 17,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,640.10 : 69,960.84 = 11,579.76 : x
  2. Step 2: Convert to fraction form
    46,640.10/69,960.84 = 11,579.76/x
  3. Step 3: Cross multiply
    46,640.10x = 69,960.84 × 11,579.76
  4. Step 4: Simplify right side
    46,640.10x = 810,129,736.60
  5. Step 5: Solve for x
    x = 810,129,736.60/46,640.10
  6. Step 6: Final answer
    x = 17,369.81

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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.