Home / 8,179.02-11,290.44-5,530.02

Finding the Fourth Proportional to 8,179.02, 11,290.44 and 5,530.02

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Solution

The fourth proportional to 8,179.02, 11,290.44 and 5,530.02 is: 7,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.02 : 11,290.44 = 5,530.02 : x
  2. Step 2: Convert to fraction form
    8,179.02/11,290.44 = 5,530.02/x
  3. Step 3: Cross multiply
    8,179.02x = 11,290.44 × 5,530.02
  4. Step 4: Simplify right side
    8,179.02x = 62,436,359.01
  5. Step 5: Solve for x
    x = 62,436,359.01/8,179.02
  6. Step 6: Final answer
    x = 7,633.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.