Home / 12,114.60-18,176.49-5,874.27

Finding the Fourth Proportional to 12,114.60, 18,176.49 and 5,874.27

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Solution

The fourth proportional to 12,114.60, 18,176.49 and 5,874.27 is: 8,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.60 : 18,176.49 = 5,874.27 : x
  2. Step 2: Convert to fraction form
    12,114.60/18,176.49 = 5,874.27/x
  3. Step 3: Cross multiply
    12,114.60x = 18,176.49 × 5,874.27
  4. Step 4: Simplify right side
    12,114.60x = 106,773,609.91
  5. Step 5: Solve for x
    x = 106,773,609.91/12,114.60
  6. Step 6: Final answer
    x = 8,813.63

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1.5x scale

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.