Home / 11,770.02-17,620.92-9,165.06

Finding the Fourth Proportional to 11,770.02, 17,620.92 and 9,165.06

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Solution

The fourth proportional to 11,770.02, 17,620.92 and 9,165.06 is: 13,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.02 : 17,620.92 = 9,165.06 : x
  2. Step 2: Convert to fraction form
    11,770.02/17,620.92 = 9,165.06/x
  3. Step 3: Cross multiply
    11,770.02x = 17,620.92 × 9,165.06
  4. Step 4: Simplify right side
    11,770.02x = 161,496,789.06
  5. Step 5: Solve for x
    x = 161,496,789.06/11,770.02
  6. Step 6: Final answer
    x = 13,721.03

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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.