Home / 12,174.83-18,260.41-3,853.77

Finding the Fourth Proportional to 12,174.83, 18,260.41 and 3,853.77

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Solution

The fourth proportional to 12,174.83, 18,260.41 and 3,853.77 is: 5,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.83 : 18,260.41 = 3,853.77 : x
  2. Step 2: Convert to fraction form
    12,174.83/18,260.41 = 3,853.77/x
  3. Step 3: Cross multiply
    12,174.83x = 18,260.41 × 3,853.77
  4. Step 4: Simplify right side
    12,174.83x = 70,371,420.25
  5. Step 5: Solve for x
    x = 70,371,420.25/12,174.83
  6. Step 6: Final answer
    x = 5,780.07

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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.