Home / 11,756.96-16,224.68-6,451.84

Finding the Fourth Proportional to 11,756.96, 16,224.68 and 6,451.84

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Solution

The fourth proportional to 11,756.96, 16,224.68 and 6,451.84 is: 8,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.96 : 16,224.68 = 6,451.84 : x
  2. Step 2: Convert to fraction form
    11,756.96/16,224.68 = 6,451.84/x
  3. Step 3: Cross multiply
    11,756.96x = 16,224.68 × 6,451.84
  4. Step 4: Simplify right side
    11,756.96x = 104,679,039.41
  5. Step 5: Solve for x
    x = 104,679,039.41/11,756.96
  6. Step 6: Final answer
    x = 8,903.58

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Half scale
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Double scale
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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.