Home / 11,043.49-15,240.41-6,328.68

Finding the Fourth Proportional to 11,043.49, 15,240.41 and 6,328.68

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Solution

The fourth proportional to 11,043.49, 15,240.41 and 6,328.68 is: 8,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.49 : 15,240.41 = 6,328.68 : x
  2. Step 2: Convert to fraction form
    11,043.49/15,240.41 = 6,328.68/x
  3. Step 3: Cross multiply
    11,043.49x = 15,240.41 × 6,328.68
  4. Step 4: Simplify right side
    11,043.49x = 96,451,693.78
  5. Step 5: Solve for x
    x = 96,451,693.78/11,043.49
  6. Step 6: Final answer
    x = 8,733.81

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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.