Home / 11,555.62-17,331.52-4,158.70

Finding the Fourth Proportional to 11,555.62, 17,331.52 and 4,158.70

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Solution

The fourth proportional to 11,555.62, 17,331.52 and 4,158.70 is: 6,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.62 : 17,331.52 = 4,158.70 : x
  2. Step 2: Convert to fraction form
    11,555.62/17,331.52 = 4,158.70/x
  3. Step 3: Cross multiply
    11,555.62x = 17,331.52 × 4,158.70
  4. Step 4: Simplify right side
    11,555.62x = 72,076,592.22
  5. Step 5: Solve for x
    x = 72,076,592.22/11,555.62
  6. Step 6: Final answer
    x = 6,237.36

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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.