Home / 11,012.55-15,180.51-6,755.73

Finding the Fourth Proportional to 11,012.55, 15,180.51 and 6,755.73

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Solution

The fourth proportional to 11,012.55, 15,180.51 and 6,755.73 is: 9,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.55 : 15,180.51 = 6,755.73 : x
  2. Step 2: Convert to fraction form
    11,012.55/15,180.51 = 6,755.73/x
  3. Step 3: Cross multiply
    11,012.55x = 15,180.51 × 6,755.73
  4. Step 4: Simplify right side
    11,012.55x = 102,555,426.82
  5. Step 5: Solve for x
    x = 102,555,426.82/11,012.55
  6. Step 6: Final answer
    x = 9,312.60

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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.