Home / 8,101.04-12,154.73-3,169.83

Finding the Fourth Proportional to 8,101.04, 12,154.73 and 3,169.83

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Solution

The fourth proportional to 8,101.04, 12,154.73 and 3,169.83 is: 4,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.04 : 12,154.73 = 3,169.83 : x
  2. Step 2: Convert to fraction form
    8,101.04/12,154.73 = 3,169.83/x
  3. Step 3: Cross multiply
    8,101.04x = 12,154.73 × 3,169.83
  4. Step 4: Simplify right side
    8,101.04x = 38,528,411.95
  5. Step 5: Solve for x
    x = 38,528,411.95/8,101.04
  6. Step 6: Final answer
    x = 4,755.99

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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.