Home / 13,016.12-17,962.97-7,350.30

Finding the Fourth Proportional to 13,016.12, 17,962.97 and 7,350.30

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Solution

The fourth proportional to 13,016.12, 17,962.97 and 7,350.30 is: 10,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.12 : 17,962.97 = 7,350.30 : x
  2. Step 2: Convert to fraction form
    13,016.12/17,962.97 = 7,350.30/x
  3. Step 3: Cross multiply
    13,016.12x = 17,962.97 × 7,350.30
  4. Step 4: Simplify right side
    13,016.12x = 132,033,181.64
  5. Step 5: Solve for x
    x = 132,033,181.64/13,016.12
  6. Step 6: Final answer
    x = 10,143.82

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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.