Home / 11,403.90-17,105.04-3,084.42

Finding the Fourth Proportional to 11,403.90, 17,105.04 and 3,084.42

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Solution

The fourth proportional to 11,403.90, 17,105.04 and 3,084.42 is: 4,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.90 : 17,105.04 = 3,084.42 : x
  2. Step 2: Convert to fraction form
    11,403.90/17,105.04 = 3,084.42/x
  3. Step 3: Cross multiply
    11,403.90x = 17,105.04 × 3,084.42
  4. Step 4: Simplify right side
    11,403.90x = 52,759,127.48
  5. Step 5: Solve for x
    x = 52,759,127.48/11,403.90
  6. Step 6: Final answer
    x = 4,626.41

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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.