Home / 11,561.52-17,331.85-4,160.75

Finding the Fourth Proportional to 11,561.52, 17,331.85 and 4,160.75

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Solution

The fourth proportional to 11,561.52, 17,331.85 and 4,160.75 is: 6,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.52 : 17,331.85 = 4,160.75 : x
  2. Step 2: Convert to fraction form
    11,561.52/17,331.85 = 4,160.75/x
  3. Step 3: Cross multiply
    11,561.52x = 17,331.85 × 4,160.75
  4. Step 4: Simplify right side
    11,561.52x = 72,113,527.82
  5. Step 5: Solve for x
    x = 72,113,527.82/11,561.52
  6. Step 6: Final answer
    x = 6,237.37

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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.