Home / 8,909.02-13,363.22-4,231.27

Finding the Fourth Proportional to 8,909.02, 13,363.22 and 4,231.27

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Solution

The fourth proportional to 8,909.02, 13,363.22 and 4,231.27 is: 6,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.02 : 13,363.22 = 4,231.27 : x
  2. Step 2: Convert to fraction form
    8,909.02/13,363.22 = 4,231.27/x
  3. Step 3: Cross multiply
    8,909.02x = 13,363.22 × 4,231.27
  4. Step 4: Simplify right side
    8,909.02x = 56,543,391.89
  5. Step 5: Solve for x
    x = 56,543,391.89/8,909.02
  6. Step 6: Final answer
    x = 6,346.76

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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.