Home / 42,173.88-63,260.82-11,008.86

Finding the Fourth Proportional to 42,173.88, 63,260.82 and 11,008.86

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Solution

The fourth proportional to 42,173.88, 63,260.82 and 11,008.86 is: 16,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.88 : 63,260.82 = 11,008.86 : x
  2. Step 2: Convert to fraction form
    42,173.88/63,260.82 = 11,008.86/x
  3. Step 3: Cross multiply
    42,173.88x = 63,260.82 × 11,008.86
  4. Step 4: Simplify right side
    42,173.88x = 696,429,510.87
  5. Step 5: Solve for x
    x = 696,429,510.87/42,173.88
  6. Step 6: Final answer
    x = 16,513.29

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Similar ratio
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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.