Home / 10,811.50-14,920.06-6,336.52

Finding the Fourth Proportional to 10,811.50, 14,920.06 and 6,336.52

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Solution

The fourth proportional to 10,811.50, 14,920.06 and 6,336.52 is: 8,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.50 : 14,920.06 = 6,336.52 : x
  2. Step 2: Convert to fraction form
    10,811.50/14,920.06 = 6,336.52/x
  3. Step 3: Cross multiply
    10,811.50x = 14,920.06 × 6,336.52
  4. Step 4: Simplify right side
    10,811.50x = 94,541,183.99
  5. Step 5: Solve for x
    x = 94,541,183.99/10,811.50
  6. Step 6: Final answer
    x = 8,744.51

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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.