Home / 11,543.85-15,997.41-11,322.36

Finding the Fourth Proportional to 11,543.85, 15,997.41 and 11,322.36

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Solution

The fourth proportional to 11,543.85, 15,997.41 and 11,322.36 is: 15,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.85 : 15,997.41 = 11,322.36 : x
  2. Step 2: Convert to fraction form
    11,543.85/15,997.41 = 11,322.36/x
  3. Step 3: Cross multiply
    11,543.85x = 15,997.41 × 11,322.36
  4. Step 4: Simplify right side
    11,543.85x = 181,128,435.09
  5. Step 5: Solve for x
    x = 181,128,435.09/11,543.85
  6. Step 6: Final answer
    x = 15,690.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.