Home / 8,982.73-12,396.48-5,205.91

Finding the Fourth Proportional to 8,982.73, 12,396.48 and 5,205.91

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Solution

The fourth proportional to 8,982.73, 12,396.48 and 5,205.91 is: 7,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.73 : 12,396.48 = 5,205.91 : x
  2. Step 2: Convert to fraction form
    8,982.73/12,396.48 = 5,205.91/x
  3. Step 3: Cross multiply
    8,982.73x = 12,396.48 × 5,205.91
  4. Step 4: Simplify right side
    8,982.73x = 64,534,959.20
  5. Step 5: Solve for x
    x = 64,534,959.20/8,982.73
  6. Step 6: Final answer
    x = 7,184.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.