Home / 12,997.26-17,936.20-7,332.00

Finding the Fourth Proportional to 12,997.26, 17,936.20 and 7,332.00

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Solution

The fourth proportional to 12,997.26, 17,936.20 and 7,332.00 is: 10,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.26 : 17,936.20 = 7,332.00 : x
  2. Step 2: Convert to fraction form
    12,997.26/17,936.20 = 7,332.00/x
  3. Step 3: Cross multiply
    12,997.26x = 17,936.20 × 7,332.00
  4. Step 4: Simplify right side
    12,997.26x = 131,508,261.20
  5. Step 5: Solve for x
    x = 131,508,261.20/12,997.26
  6. Step 6: Final answer
    x = 10,118.15

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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.