Home / 11,625.85-16,043.50-6,320.62

Finding the Fourth Proportional to 11,625.85, 16,043.50 and 6,320.62

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Solution

The fourth proportional to 11,625.85, 16,043.50 and 6,320.62 is: 8,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.85 : 16,043.50 = 6,320.62 : x
  2. Step 2: Convert to fraction form
    11,625.85/16,043.50 = 6,320.62/x
  3. Step 3: Cross multiply
    11,625.85x = 16,043.50 × 6,320.62
  4. Step 4: Simplify right side
    11,625.85x = 101,404,866.97
  5. Step 5: Solve for x
    x = 101,404,866.97/11,625.85
  6. Step 6: Final answer
    x = 8,722.36

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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.