Home / 11,173.52-15,426.62-9,976.44

Finding the Fourth Proportional to 11,173.52, 15,426.62 and 9,976.44

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Solution

The fourth proportional to 11,173.52, 15,426.62 and 9,976.44 is: 13,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.52 : 15,426.62 = 9,976.44 : x
  2. Step 2: Convert to fraction form
    11,173.52/15,426.62 = 9,976.44/x
  3. Step 3: Cross multiply
    11,173.52x = 15,426.62 × 9,976.44
  4. Step 4: Simplify right side
    11,173.52x = 153,902,748.83
  5. Step 5: Solve for x
    x = 153,902,748.83/11,173.52
  6. Step 6: Final answer
    x = 13,773.88

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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.