Home / 11,224.32-16,812.84-5,375.04

Finding the Fourth Proportional to 11,224.32, 16,812.84 and 5,375.04

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Solution

The fourth proportional to 11,224.32, 16,812.84 and 5,375.04 is: 8,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.32 : 16,812.84 = 5,375.04 : x
  2. Step 2: Convert to fraction form
    11,224.32/16,812.84 = 5,375.04/x
  3. Step 3: Cross multiply
    11,224.32x = 16,812.84 × 5,375.04
  4. Step 4: Simplify right side
    11,224.32x = 90,369,687.51
  5. Step 5: Solve for x
    x = 90,369,687.51/11,224.32
  6. Step 6: Final answer
    x = 8,051.24

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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.