Home / 11,625.48-16,043.49-7,151.85

Finding the Fourth Proportional to 11,625.48, 16,043.49 and 7,151.85

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Solution

The fourth proportional to 11,625.48, 16,043.49 and 7,151.85 is: 9,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.48 : 16,043.49 = 7,151.85 : x
  2. Step 2: Convert to fraction form
    11,625.48/16,043.49 = 7,151.85/x
  3. Step 3: Cross multiply
    11,625.48x = 16,043.49 × 7,151.85
  4. Step 4: Simplify right side
    11,625.48x = 114,740,633.96
  5. Step 5: Solve for x
    x = 114,740,633.96/11,625.48
  6. Step 6: Final answer
    x = 9,869.75

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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.