Home / 10,224.25-14,103.69-6,440.92

Finding the Fourth Proportional to 10,224.25, 14,103.69 and 6,440.92

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Solution

The fourth proportional to 10,224.25, 14,103.69 and 6,440.92 is: 8,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.25 : 14,103.69 = 6,440.92 : x
  2. Step 2: Convert to fraction form
    10,224.25/14,103.69 = 6,440.92/x
  3. Step 3: Cross multiply
    10,224.25x = 14,103.69 × 6,440.92
  4. Step 4: Simplify right side
    10,224.25x = 90,840,738.99
  5. Step 5: Solve for x
    x = 90,840,738.99/10,224.25
  6. Step 6: Final answer
    x = 8,884.83

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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.