Home / 8,087.12-11,163.12-4,943.60

Finding the Fourth Proportional to 8,087.12, 11,163.12 and 4,943.60

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Solution

The fourth proportional to 8,087.12, 11,163.12 and 4,943.60 is: 6,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.12 : 11,163.12 = 4,943.60 : x
  2. Step 2: Convert to fraction form
    8,087.12/11,163.12 = 4,943.60/x
  3. Step 3: Cross multiply
    8,087.12x = 11,163.12 × 4,943.60
  4. Step 4: Simplify right side
    8,087.12x = 55,186,000.03
  5. Step 5: Solve for x
    x = 55,186,000.03/8,087.12
  6. Step 6: Final answer
    x = 6,823.94

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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.