Home / 12,101.03-18,153.38-6,174.68

Finding the Fourth Proportional to 12,101.03, 18,153.38 and 6,174.68

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Solution

The fourth proportional to 12,101.03, 18,153.38 and 6,174.68 is: 9,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.03 : 18,153.38 = 6,174.68 : x
  2. Step 2: Convert to fraction form
    12,101.03/18,153.38 = 6,174.68/x
  3. Step 3: Cross multiply
    12,101.03x = 18,153.38 × 6,174.68
  4. Step 4: Simplify right side
    12,101.03x = 112,091,262.62
  5. Step 5: Solve for x
    x = 112,091,262.62/12,101.03
  6. Step 6: Final answer
    x = 9,262.95

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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.