Home / 36,083.80-54,116.10-11,123.80

Finding the Fourth Proportional to 36,083.80, 54,116.10 and 11,123.80

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Solution

The fourth proportional to 36,083.80, 54,116.10 and 11,123.80 is: 16,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,083.80 : 54,116.10 = 11,123.80 : x
  2. Step 2: Convert to fraction form
    36,083.80/54,116.10 = 11,123.80/x
  3. Step 3: Cross multiply
    36,083.80x = 54,116.10 × 11,123.80
  4. Step 4: Simplify right side
    36,083.80x = 601,976,673.18
  5. Step 5: Solve for x
    x = 601,976,673.18/36,083.80
  6. Step 6: Final answer
    x = 16,682.74

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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.