Home / 11,772.29-17,630.75-5,518.83

Finding the Fourth Proportional to 11,772.29, 17,630.75 and 5,518.83

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Solution

The fourth proportional to 11,772.29, 17,630.75 and 5,518.83 is: 8,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.29 : 17,630.75 = 5,518.83 : x
  2. Step 2: Convert to fraction form
    11,772.29/17,630.75 = 5,518.83/x
  3. Step 3: Cross multiply
    11,772.29x = 17,630.75 × 5,518.83
  4. Step 4: Simplify right side
    11,772.29x = 97,301,184.17
  5. Step 5: Solve for x
    x = 97,301,184.17/11,772.29
  6. Step 6: Final answer
    x = 8,265.27

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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.