Home / 11,726.12-16,182.25-7,249.76

Finding the Fourth Proportional to 11,726.12, 16,182.25 and 7,249.76

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Solution

The fourth proportional to 11,726.12, 16,182.25 and 7,249.76 is: 10,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.12 : 16,182.25 = 7,249.76 : x
  2. Step 2: Convert to fraction form
    11,726.12/16,182.25 = 7,249.76/x
  3. Step 3: Cross multiply
    11,726.12x = 16,182.25 × 7,249.76
  4. Step 4: Simplify right side
    11,726.12x = 117,317,428.76
  5. Step 5: Solve for x
    x = 117,317,428.76/11,726.12
  6. Step 6: Final answer
    x = 10,004.80

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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.