Home / 11,346.30-17,019.45-3,448.80

Finding the Fourth Proportional to 11,346.30, 17,019.45 and 3,448.80

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Solution

The fourth proportional to 11,346.30, 17,019.45 and 3,448.80 is: 5,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.30 : 17,019.45 = 3,448.80 : x
  2. Step 2: Convert to fraction form
    11,346.30/17,019.45 = 3,448.80/x
  3. Step 3: Cross multiply
    11,346.30x = 17,019.45 × 3,448.80
  4. Step 4: Simplify right side
    11,346.30x = 58,696,679.16
  5. Step 5: Solve for x
    x = 58,696,679.16/11,346.30
  6. Step 6: Final answer
    x = 5,173.20

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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.