Home / 11,717.76-16,170.84-6,412.92

Finding the Fourth Proportional to 11,717.76, 16,170.84 and 6,412.92

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Solution

The fourth proportional to 11,717.76, 16,170.84 and 6,412.92 is: 8,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.76 : 16,170.84 = 6,412.92 : x
  2. Step 2: Convert to fraction form
    11,717.76/16,170.84 = 6,412.92/x
  3. Step 3: Cross multiply
    11,717.76x = 16,170.84 × 6,412.92
  4. Step 4: Simplify right side
    11,717.76x = 103,702,303.25
  5. Step 5: Solve for x
    x = 103,702,303.25/11,717.76
  6. Step 6: Final answer
    x = 8,850.01

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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.