Home / 11,716.80-17,573.40-4,320.24

Finding the Fourth Proportional to 11,716.80, 17,573.40 and 4,320.24

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Solution

The fourth proportional to 11,716.80, 17,573.40 and 4,320.24 is: 6,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.80 : 17,573.40 = 4,320.24 : x
  2. Step 2: Convert to fraction form
    11,716.80/17,573.40 = 4,320.24/x
  3. Step 3: Cross multiply
    11,716.80x = 17,573.40 × 4,320.24
  4. Step 4: Simplify right side
    11,716.80x = 75,921,305.62
  5. Step 5: Solve for x
    x = 75,921,305.62/11,716.80
  6. Step 6: Final answer
    x = 6,479.70

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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.