Home / 8,176.12-12,264.90-2,629.96

Finding the Fourth Proportional to 8,176.12, 12,264.90 and 2,629.96

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Solution

The fourth proportional to 8,176.12, 12,264.90 and 2,629.96 is: 3,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.12 : 12,264.90 = 2,629.96 : x
  2. Step 2: Convert to fraction form
    8,176.12/12,264.90 = 2,629.96/x
  3. Step 3: Cross multiply
    8,176.12x = 12,264.90 × 2,629.96
  4. Step 4: Simplify right side
    8,176.12x = 32,256,196.40
  5. Step 5: Solve for x
    x = 32,256,196.40/8,176.12
  6. Step 6: Final answer
    x = 3,945.17

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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.