Home / 11,717.64-16,150.62-8,884.08

Finding the Fourth Proportional to 11,717.64, 16,150.62 and 8,884.08

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Solution

The fourth proportional to 11,717.64, 16,150.62 and 8,884.08 is: 12,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.64 : 16,150.62 = 8,884.08 : x
  2. Step 2: Convert to fraction form
    11,717.64/16,150.62 = 8,884.08/x
  3. Step 3: Cross multiply
    11,717.64x = 16,150.62 × 8,884.08
  4. Step 4: Simplify right side
    11,717.64x = 143,483,400.13
  5. Step 5: Solve for x
    x = 143,483,400.13/11,717.64
  6. Step 6: Final answer
    x = 12,245.08

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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.