Home / 12,305.44-16,983.30-7,001.56

Finding the Fourth Proportional to 12,305.44, 16,983.30 and 7,001.56

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Solution

The fourth proportional to 12,305.44, 16,983.30 and 7,001.56 is: 9,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.44 : 16,983.30 = 7,001.56 : x
  2. Step 2: Convert to fraction form
    12,305.44/16,983.30 = 7,001.56/x
  3. Step 3: Cross multiply
    12,305.44x = 16,983.30 × 7,001.56
  4. Step 4: Simplify right side
    12,305.44x = 118,909,593.95
  5. Step 5: Solve for x
    x = 118,909,593.95/12,305.44
  6. Step 6: Final answer
    x = 9,663.17

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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.