Home / 11,995.24-18,002.05-5,426.04

Finding the Fourth Proportional to 11,995.24, 18,002.05 and 5,426.04

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Solution

The fourth proportional to 11,995.24, 18,002.05 and 5,426.04 is: 8,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.24 : 18,002.05 = 5,426.04 : x
  2. Step 2: Convert to fraction form
    11,995.24/18,002.05 = 5,426.04/x
  3. Step 3: Cross multiply
    11,995.24x = 18,002.05 × 5,426.04
  4. Step 4: Simplify right side
    11,995.24x = 97,679,796.06
  5. Step 5: Solve for x
    x = 97,679,796.06/11,995.24
  6. Step 6: Final answer
    x = 8,143.21

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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.