Home / 12,117.23-18,174.43-3,352.83

Finding the Fourth Proportional to 12,117.23, 18,174.43 and 3,352.83

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Solution

The fourth proportional to 12,117.23, 18,174.43 and 3,352.83 is: 5,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.23 : 18,174.43 = 3,352.83 : x
  2. Step 2: Convert to fraction form
    12,117.23/18,174.43 = 3,352.83/x
  3. Step 3: Cross multiply
    12,117.23x = 18,174.43 × 3,352.83
  4. Step 4: Simplify right side
    12,117.23x = 60,935,774.14
  5. Step 5: Solve for x
    x = 60,935,774.14/12,117.23
  6. Step 6: Final answer
    x = 5,028.85

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Double scale
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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.