Home / 10,122.38-13,965.96-5,873.12

Finding the Fourth Proportional to 10,122.38, 13,965.96 and 5,873.12

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Solution

The fourth proportional to 10,122.38, 13,965.96 and 5,873.12 is: 8,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.38 : 13,965.96 = 5,873.12 : x
  2. Step 2: Convert to fraction form
    10,122.38/13,965.96 = 5,873.12/x
  3. Step 3: Cross multiply
    10,122.38x = 13,965.96 × 5,873.12
  4. Step 4: Simplify right side
    10,122.38x = 82,023,759.00
  5. Step 5: Solve for x
    x = 82,023,759.00/10,122.38
  6. Step 6: Final answer
    x = 8,103.21

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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.