Home / 11,908.55-16,435.15-6,874.12

Finding the Fourth Proportional to 11,908.55, 16,435.15 and 6,874.12

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Solution

The fourth proportional to 11,908.55, 16,435.15 and 6,874.12 is: 9,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.55 : 16,435.15 = 6,874.12 : x
  2. Step 2: Convert to fraction form
    11,908.55/16,435.15 = 6,874.12/x
  3. Step 3: Cross multiply
    11,908.55x = 16,435.15 × 6,874.12
  4. Step 4: Simplify right side
    11,908.55x = 112,977,158.95
  5. Step 5: Solve for x
    x = 112,977,158.95/11,908.55
  6. Step 6: Final answer
    x = 9,487.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.