Home / 11,749.32-16,214.40-6,714

Finding the Fourth Proportional to 11,749.32, 16,214.40 and 6,714

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Solution

The fourth proportional to 11,749.32, 16,214.40 and 6,714 is: 9,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.32 : 16,214.40 = 6,714 : x
  2. Step 2: Convert to fraction form
    11,749.32/16,214.40 = 6,714/x
  3. Step 3: Cross multiply
    11,749.32x = 16,214.40 × 6,714
  4. Step 4: Simplify right side
    11,749.32x = 108,863,481.60
  5. Step 5: Solve for x
    x = 108,863,481.60/11,749.32
  6. Step 6: Final answer
    x = 9,265.51

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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.