Home / 11,849.22-16,349.85-8,712.90

Finding the Fourth Proportional to 11,849.22, 16,349.85 and 8,712.90

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Solution

The fourth proportional to 11,849.22, 16,349.85 and 8,712.90 is: 12,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.22 : 16,349.85 = 8,712.90 : x
  2. Step 2: Convert to fraction form
    11,849.22/16,349.85 = 8,712.90/x
  3. Step 3: Cross multiply
    11,849.22x = 16,349.85 × 8,712.90
  4. Step 4: Simplify right side
    11,849.22x = 142,454,608.07
  5. Step 5: Solve for x
    x = 142,454,608.07/11,849.22
  6. Step 6: Final answer
    x = 12,022.28

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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.