Home / 11,748.32-17,616.12-5,416.36

Finding the Fourth Proportional to 11,748.32, 17,616.12 and 5,416.36

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Solution

The fourth proportional to 11,748.32, 17,616.12 and 5,416.36 is: 8,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.32 : 17,616.12 = 5,416.36 : x
  2. Step 2: Convert to fraction form
    11,748.32/17,616.12 = 5,416.36/x
  3. Step 3: Cross multiply
    11,748.32x = 17,616.12 × 5,416.36
  4. Step 4: Simplify right side
    11,748.32x = 95,415,247.72
  5. Step 5: Solve for x
    x = 95,415,247.72/11,748.32
  6. Step 6: Final answer
    x = 8,121.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.