Home / 12,416.05-17,134.01-9,243.53

Finding the Fourth Proportional to 12,416.05, 17,134.01 and 9,243.53

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Solution

The fourth proportional to 12,416.05, 17,134.01 and 9,243.53 is: 12,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.05 : 17,134.01 = 9,243.53 : x
  2. Step 2: Convert to fraction form
    12,416.05/17,134.01 = 9,243.53/x
  3. Step 3: Cross multiply
    12,416.05x = 17,134.01 × 9,243.53
  4. Step 4: Simplify right side
    12,416.05x = 158,378,735.46
  5. Step 5: Solve for x
    x = 158,378,735.46/12,416.05
  6. Step 6: Final answer
    x = 12,755.97

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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.