Home / 11,077.20-16,615.80-10,894.95

Finding the Fourth Proportional to 11,077.20, 16,615.80 and 10,894.95

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Solution

The fourth proportional to 11,077.20, 16,615.80 and 10,894.95 is: 16,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.20 : 16,615.80 = 10,894.95 : x
  2. Step 2: Convert to fraction form
    11,077.20/16,615.80 = 10,894.95/x
  3. Step 3: Cross multiply
    11,077.20x = 16,615.80 × 10,894.95
  4. Step 4: Simplify right side
    11,077.20x = 181,028,310.21
  5. Step 5: Solve for x
    x = 181,028,310.21/11,077.20
  6. Step 6: Final answer
    x = 16,342.43

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Double scale
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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.