Home / 8,985.48-13,480.66-5,092.62

Finding the Fourth Proportional to 8,985.48, 13,480.66 and 5,092.62

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Solution

The fourth proportional to 8,985.48, 13,480.66 and 5,092.62 is: 7,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.48 : 13,480.66 = 5,092.62 : x
  2. Step 2: Convert to fraction form
    8,985.48/13,480.66 = 5,092.62/x
  3. Step 3: Cross multiply
    8,985.48x = 13,480.66 × 5,092.62
  4. Step 4: Simplify right side
    8,985.48x = 68,651,878.73
  5. Step 5: Solve for x
    x = 68,651,878.73/8,985.48
  6. Step 6: Final answer
    x = 7,640.31

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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.