Home / 11,649.69-17,458.97-4,247.19

Finding the Fourth Proportional to 11,649.69, 17,458.97 and 4,247.19

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Solution

The fourth proportional to 11,649.69, 17,458.97 and 4,247.19 is: 6,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.69 : 17,458.97 = 4,247.19 : x
  2. Step 2: Convert to fraction form
    11,649.69/17,458.97 = 4,247.19/x
  3. Step 3: Cross multiply
    11,649.69x = 17,458.97 × 4,247.19
  4. Step 4: Simplify right side
    11,649.69x = 74,151,541.56
  5. Step 5: Solve for x
    x = 74,151,541.56/11,649.69
  6. Step 6: Final answer
    x = 6,365.11

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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.