Home / 11,441.40-17,161.65-3,649.92

Finding the Fourth Proportional to 11,441.40, 17,161.65 and 3,649.92

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Solution

The fourth proportional to 11,441.40, 17,161.65 and 3,649.92 is: 5,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.40 : 17,161.65 = 3,649.92 : x
  2. Step 2: Convert to fraction form
    11,441.40/17,161.65 = 3,649.92/x
  3. Step 3: Cross multiply
    11,441.40x = 17,161.65 × 3,649.92
  4. Step 4: Simplify right side
    11,441.40x = 62,638,649.57
  5. Step 5: Solve for x
    x = 62,638,649.57/11,441.40
  6. Step 6: Final answer
    x = 5,474.74

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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.