Home / 10,800.24-16,191.20-4,224.66

Finding the Fourth Proportional to 10,800.24, 16,191.20 and 4,224.66

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Solution

The fourth proportional to 10,800.24, 16,191.20 and 4,224.66 is: 6,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.24 : 16,191.20 = 4,224.66 : x
  2. Step 2: Convert to fraction form
    10,800.24/16,191.20 = 4,224.66/x
  3. Step 3: Cross multiply
    10,800.24x = 16,191.20 × 4,224.66
  4. Step 4: Simplify right side
    10,800.24x = 68,402,314.99
  5. Step 5: Solve for x
    x = 68,402,314.99/10,800.24
  6. Step 6: Final answer
    x = 6,333.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.