Home / 11,165.58-16,755.66-5,322.65

Finding the Fourth Proportional to 11,165.58, 16,755.66 and 5,322.65

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Solution

The fourth proportional to 11,165.58, 16,755.66 and 5,322.65 is: 7,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.58 : 16,755.66 = 5,322.65 : x
  2. Step 2: Convert to fraction form
    11,165.58/16,755.66 = 5,322.65/x
  3. Step 3: Cross multiply
    11,165.58x = 16,755.66 × 5,322.65
  4. Step 4: Simplify right side
    11,165.58x = 89,184,429.92
  5. Step 5: Solve for x
    x = 89,184,429.92/11,165.58
  6. Step 6: Final answer
    x = 7,987.44

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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.