Home / 11,457.88-17,186.80-3,667.28

Finding the Fourth Proportional to 11,457.88, 17,186.80 and 3,667.28

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Solution

The fourth proportional to 11,457.88, 17,186.80 and 3,667.28 is: 5,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.88 : 17,186.80 = 3,667.28 : x
  2. Step 2: Convert to fraction form
    11,457.88/17,186.80 = 3,667.28/x
  3. Step 3: Cross multiply
    11,457.88x = 17,186.80 × 3,667.28
  4. Step 4: Simplify right side
    11,457.88x = 63,028,807.90
  5. Step 5: Solve for x
    x = 63,028,807.90/11,457.88
  6. Step 6: Final answer
    x = 5,500.91

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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.