Home / 12,311.04-16,974.39-8,537.43

Finding the Fourth Proportional to 12,311.04, 16,974.39 and 8,537.43

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Solution

The fourth proportional to 12,311.04, 16,974.39 and 8,537.43 is: 11,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.04 : 16,974.39 = 8,537.43 : x
  2. Step 2: Convert to fraction form
    12,311.04/16,974.39 = 8,537.43/x
  3. Step 3: Cross multiply
    12,311.04x = 16,974.39 × 8,537.43
  4. Step 4: Simplify right side
    12,311.04x = 144,917,666.42
  5. Step 5: Solve for x
    x = 144,917,666.42/12,311.04
  6. Step 6: Final answer
    x = 11,771.36

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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.