Home / 11,451.03-17,166.81-5,208.86

Finding the Fourth Proportional to 11,451.03, 17,166.81 and 5,208.86

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Solution

The fourth proportional to 11,451.03, 17,166.81 and 5,208.86 is: 7,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.03 : 17,166.81 = 5,208.86 : x
  2. Step 2: Convert to fraction form
    11,451.03/17,166.81 = 5,208.86/x
  3. Step 3: Cross multiply
    11,451.03x = 17,166.81 × 5,208.86
  4. Step 4: Simplify right side
    11,451.03x = 89,419,461.17
  5. Step 5: Solve for x
    x = 89,419,461.17/11,451.03
  6. Step 6: Final answer
    x = 7,808.86

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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.