Home / 11,625.87-16,043.66-6,320.70

Finding the Fourth Proportional to 11,625.87, 16,043.66 and 6,320.70

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Solution

The fourth proportional to 11,625.87, 16,043.66 and 6,320.70 is: 8,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.87 : 16,043.66 = 6,320.70 : x
  2. Step 2: Convert to fraction form
    11,625.87/16,043.66 = 6,320.70/x
  3. Step 3: Cross multiply
    11,625.87x = 16,043.66 × 6,320.70
  4. Step 4: Simplify right side
    11,625.87x = 101,407,130.16
  5. Step 5: Solve for x
    x = 101,407,130.16/11,625.87
  6. Step 6: Final answer
    x = 8,722.54

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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.