Home / 11,840.13-17,729.91-11,489.76

Finding the Fourth Proportional to 11,840.13, 17,729.91 and 11,489.76

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Solution

The fourth proportional to 11,840.13, 17,729.91 and 11,489.76 is: 17,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.13 : 17,729.91 = 11,489.76 : x
  2. Step 2: Convert to fraction form
    11,840.13/17,729.91 = 11,489.76/x
  3. Step 3: Cross multiply
    11,840.13x = 17,729.91 × 11,489.76
  4. Step 4: Simplify right side
    11,840.13x = 203,712,410.72
  5. Step 5: Solve for x
    x = 203,712,410.72/11,840.13
  6. Step 6: Final answer
    x = 17,205.25

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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.