Home / 11,508.48-17,215.20-8,714.16

Finding the Fourth Proportional to 11,508.48, 17,215.20 and 8,714.16

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Solution

The fourth proportional to 11,508.48, 17,215.20 and 8,714.16 is: 13,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.48 : 17,215.20 = 8,714.16 : x
  2. Step 2: Convert to fraction form
    11,508.48/17,215.20 = 8,714.16/x
  3. Step 3: Cross multiply
    11,508.48x = 17,215.20 × 8,714.16
  4. Step 4: Simplify right side
    11,508.48x = 150,016,007.23
  5. Step 5: Solve for x
    x = 150,016,007.23/11,508.48
  6. Step 6: Final answer
    x = 13,035.26

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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.