Home / 12,710.44-17,536.20-7,672.75

Finding the Fourth Proportional to 12,710.44, 17,536.20 and 7,672.75

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Solution

The fourth proportional to 12,710.44, 17,536.20 and 7,672.75 is: 10,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.44 : 17,536.20 = 7,672.75 : x
  2. Step 2: Convert to fraction form
    12,710.44/17,536.20 = 7,672.75/x
  3. Step 3: Cross multiply
    12,710.44x = 17,536.20 × 7,672.75
  4. Step 4: Simplify right side
    12,710.44x = 134,550,878.55
  5. Step 5: Solve for x
    x = 134,550,878.55/12,710.44
  6. Step 6: Final answer
    x = 10,585.86

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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.