Home / 11,163.36-15,405.31-6,127.57

Finding the Fourth Proportional to 11,163.36, 15,405.31 and 6,127.57

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Solution

The fourth proportional to 11,163.36, 15,405.31 and 6,127.57 is: 8,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.36 : 15,405.31 = 6,127.57 : x
  2. Step 2: Convert to fraction form
    11,163.36/15,405.31 = 6,127.57/x
  3. Step 3: Cross multiply
    11,163.36x = 15,405.31 × 6,127.57
  4. Step 4: Simplify right side
    11,163.36x = 94,397,115.40
  5. Step 5: Solve for x
    x = 94,397,115.40/11,163.36
  6. Step 6: Final answer
    x = 8,455.98

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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.