Home / 8,175.74-12,247.96-5,530.25

Finding the Fourth Proportional to 8,175.74, 12,247.96 and 5,530.25

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Solution

The fourth proportional to 8,175.74, 12,247.96 and 5,530.25 is: 8,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.74 : 12,247.96 = 5,530.25 : x
  2. Step 2: Convert to fraction form
    8,175.74/12,247.96 = 5,530.25/x
  3. Step 3: Cross multiply
    8,175.74x = 12,247.96 × 5,530.25
  4. Step 4: Simplify right side
    8,175.74x = 67,734,273.51
  5. Step 5: Solve for x
    x = 67,734,273.51/8,175.74
  6. Step 6: Final answer
    x = 8,284.79

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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.