Home / 11,625.45-16,043.16-6,320.22

Finding the Fourth Proportional to 11,625.45, 16,043.16 and 6,320.22

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Solution

The fourth proportional to 11,625.45, 16,043.16 and 6,320.22 is: 8,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.45 : 16,043.16 = 6,320.22 : x
  2. Step 2: Convert to fraction form
    11,625.45/16,043.16 = 6,320.22/x
  3. Step 3: Cross multiply
    11,625.45x = 16,043.16 × 6,320.22
  4. Step 4: Simplify right side
    11,625.45x = 101,396,300.70
  5. Step 5: Solve for x
    x = 101,396,300.70/11,625.45
  6. Step 6: Final answer
    x = 8,721.92

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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.