Home / 11,457.90-17,184.69-5,610.78

Finding the Fourth Proportional to 11,457.90, 17,184.69 and 5,610.78

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Solution

The fourth proportional to 11,457.90, 17,184.69 and 5,610.78 is: 8,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.90 : 17,184.69 = 5,610.78 : x
  2. Step 2: Convert to fraction form
    11,457.90/17,184.69 = 5,610.78/x
  3. Step 3: Cross multiply
    11,457.90x = 17,184.69 × 5,610.78
  4. Step 4: Simplify right side
    11,457.90x = 96,419,514.96
  5. Step 5: Solve for x
    x = 96,419,514.96/11,457.90
  6. Step 6: Final answer
    x = 8,415.11

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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.