Home / 6,656.12-9,185.50-3,672.30

Finding the Fourth Proportional to 6,656.12, 9,185.50 and 3,672.30

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Solution

The fourth proportional to 6,656.12, 9,185.50 and 3,672.30 is: 5,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.12 : 9,185.50 = 3,672.30 : x
  2. Step 2: Convert to fraction form
    6,656.12/9,185.50 = 3,672.30/x
  3. Step 3: Cross multiply
    6,656.12x = 9,185.50 × 3,672.30
  4. Step 4: Simplify right side
    6,656.12x = 33,731,911.65
  5. Step 5: Solve for x
    x = 33,731,911.65/6,656.12
  6. Step 6: Final answer
    x = 5,067.80

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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.