Home / 10,891.74-16,340.80-3,496.02

Finding the Fourth Proportional to 10,891.74, 16,340.80 and 3,496.02

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Solution

The fourth proportional to 10,891.74, 16,340.80 and 3,496.02 is: 5,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.74 : 16,340.80 = 3,496.02 : x
  2. Step 2: Convert to fraction form
    10,891.74/16,340.80 = 3,496.02/x
  3. Step 3: Cross multiply
    10,891.74x = 16,340.80 × 3,496.02
  4. Step 4: Simplify right side
    10,891.74x = 57,127,763.62
  5. Step 5: Solve for x
    x = 57,127,763.62/10,891.74
  6. Step 6: Final answer
    x = 5,245.05

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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.