Home / 11,039.84-16,496.68-8,392.80

Finding the Fourth Proportional to 11,039.84, 16,496.68 and 8,392.80

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Solution

The fourth proportional to 11,039.84, 16,496.68 and 8,392.80 is: 12,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.84 : 16,496.68 = 8,392.80 : x
  2. Step 2: Convert to fraction form
    11,039.84/16,496.68 = 8,392.80/x
  3. Step 3: Cross multiply
    11,039.84x = 16,496.68 × 8,392.80
  4. Step 4: Simplify right side
    11,039.84x = 138,453,335.90
  5. Step 5: Solve for x
    x = 138,453,335.90/11,039.84
  6. Step 6: Final answer
    x = 12,541.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.