Home / 8,106.26-12,163.02-4,643.50

Finding the Fourth Proportional to 8,106.26, 12,163.02 and 4,643.50

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Solution

The fourth proportional to 8,106.26, 12,163.02 and 4,643.50 is: 6,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.26 : 12,163.02 = 4,643.50 : x
  2. Step 2: Convert to fraction form
    8,106.26/12,163.02 = 4,643.50/x
  3. Step 3: Cross multiply
    8,106.26x = 12,163.02 × 4,643.50
  4. Step 4: Simplify right side
    8,106.26x = 56,478,983.37
  5. Step 5: Solve for x
    x = 56,478,983.37/8,106.26
  6. Step 6: Final answer
    x = 6,967.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.