Home / 11,447.82-17,178.21-4,873.32

Finding the Fourth Proportional to 11,447.82, 17,178.21 and 4,873.32

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Solution

The fourth proportional to 11,447.82, 17,178.21 and 4,873.32 is: 7,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.82 : 17,178.21 = 4,873.32 : x
  2. Step 2: Convert to fraction form
    11,447.82/17,178.21 = 4,873.32/x
  3. Step 3: Cross multiply
    11,447.82x = 17,178.21 × 4,873.32
  4. Step 4: Simplify right side
    11,447.82x = 83,714,914.36
  5. Step 5: Solve for x
    x = 83,714,914.36/11,447.82
  6. Step 6: Final answer
    x = 7,312.74

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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.