Home / 8,188.02-12,264.78-3,749.43

Finding the Fourth Proportional to 8,188.02, 12,264.78 and 3,749.43

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Solution

The fourth proportional to 8,188.02, 12,264.78 and 3,749.43 is: 5,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.02 : 12,264.78 = 3,749.43 : x
  2. Step 2: Convert to fraction form
    8,188.02/12,264.78 = 3,749.43/x
  3. Step 3: Cross multiply
    8,188.02x = 12,264.78 × 3,749.43
  4. Step 4: Simplify right side
    8,188.02x = 45,985,934.08
  5. Step 5: Solve for x
    x = 45,985,934.08/8,188.02
  6. Step 6: Final answer
    x = 5,616.25

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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.