Home / 11,153.62-16,731.24-3,758.32

Finding the Fourth Proportional to 11,153.62, 16,731.24 and 3,758.32

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Solution

The fourth proportional to 11,153.62, 16,731.24 and 3,758.32 is: 5,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.62 : 16,731.24 = 3,758.32 : x
  2. Step 2: Convert to fraction form
    11,153.62/16,731.24 = 3,758.32/x
  3. Step 3: Cross multiply
    11,153.62x = 16,731.24 × 3,758.32
  4. Step 4: Simplify right side
    11,153.62x = 62,881,353.92
  5. Step 5: Solve for x
    x = 62,881,353.92/11,153.62
  6. Step 6: Final answer
    x = 5,637.75

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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.