Home / 11,125.26-15,355.59-6,651.66

Finding the Fourth Proportional to 11,125.26, 15,355.59 and 6,651.66

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Solution

The fourth proportional to 11,125.26, 15,355.59 and 6,651.66 is: 9,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.26 : 15,355.59 = 6,651.66 : x
  2. Step 2: Convert to fraction form
    11,125.26/15,355.59 = 6,651.66/x
  3. Step 3: Cross multiply
    11,125.26x = 15,355.59 × 6,651.66
  4. Step 4: Simplify right side
    11,125.26x = 102,140,163.78
  5. Step 5: Solve for x
    x = 102,140,163.78/11,125.26
  6. Step 6: Final answer
    x = 9,180.92

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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.