Home / 11,843.55-16,343.87-6,538.59

Finding the Fourth Proportional to 11,843.55, 16,343.87 and 6,538.59

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Solution

The fourth proportional to 11,843.55, 16,343.87 and 6,538.59 is: 9,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.55 : 16,343.87 = 6,538.59 : x
  2. Step 2: Convert to fraction form
    11,843.55/16,343.87 = 6,538.59/x
  3. Step 3: Cross multiply
    11,843.55x = 16,343.87 × 6,538.59
  4. Step 4: Simplify right side
    11,843.55x = 106,865,832.25
  5. Step 5: Solve for x
    x = 106,865,832.25/11,843.55
  6. Step 6: Final answer
    x = 9,023.13

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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.