Home / 11,448.32-17,173.28-3,657.76

Finding the Fourth Proportional to 11,448.32, 17,173.28 and 3,657.76

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Solution

The fourth proportional to 11,448.32, 17,173.28 and 3,657.76 is: 5,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.32 : 17,173.28 = 3,657.76 : x
  2. Step 2: Convert to fraction form
    11,448.32/17,173.28 = 3,657.76/x
  3. Step 3: Cross multiply
    11,448.32x = 17,173.28 × 3,657.76
  4. Step 4: Simplify right side
    11,448.32x = 62,815,736.65
  5. Step 5: Solve for x
    x = 62,815,736.65/11,448.32
  6. Step 6: Final answer
    x = 5,486.90

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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.