Home / 8,163.47-11,265.44-5,325.47

Finding the Fourth Proportional to 8,163.47, 11,265.44 and 5,325.47

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Solution

The fourth proportional to 8,163.47, 11,265.44 and 5,325.47 is: 7,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.47 : 11,265.44 = 5,325.47 : x
  2. Step 2: Convert to fraction form
    8,163.47/11,265.44 = 5,325.47/x
  3. Step 3: Cross multiply
    8,163.47x = 11,265.44 × 5,325.47
  4. Step 4: Simplify right side
    8,163.47x = 59,993,762.76
  5. Step 5: Solve for x
    x = 59,993,762.76/8,163.47
  6. Step 6: Final answer
    x = 7,349.05

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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.