Home / 40,694.94-61,036.07-11,115.09

Finding the Fourth Proportional to 40,694.94, 61,036.07 and 11,115.09

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Solution

The fourth proportional to 40,694.94, 61,036.07 and 11,115.09 is: 16,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.94 : 61,036.07 = 11,115.09 : x
  2. Step 2: Convert to fraction form
    40,694.94/61,036.07 = 11,115.09/x
  3. Step 3: Cross multiply
    40,694.94x = 61,036.07 × 11,115.09
  4. Step 4: Simplify right side
    40,694.94x = 678,421,355.72
  5. Step 5: Solve for x
    x = 678,421,355.72/40,694.94
  6. Step 6: Final answer
    x = 16,670.90

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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.