Home / 8,416.96-11,636.40-6,317.44

Finding the Fourth Proportional to 8,416.96, 11,636.40 and 6,317.44

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Solution

The fourth proportional to 8,416.96, 11,636.40 and 6,317.44 is: 8,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.96 : 11,636.40 = 6,317.44 : x
  2. Step 2: Convert to fraction form
    8,416.96/11,636.40 = 6,317.44/x
  3. Step 3: Cross multiply
    8,416.96x = 11,636.40 × 6,317.44
  4. Step 4: Simplify right side
    8,416.96x = 73,512,258.82
  5. Step 5: Solve for x
    x = 73,512,258.82/8,416.96
  6. Step 6: Final answer
    x = 8,733.83

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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.