Home / 11,160.12-16,735.32-3,763.20

Finding the Fourth Proportional to 11,160.12, 16,735.32 and 3,763.20

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Solution

The fourth proportional to 11,160.12, 16,735.32 and 3,763.20 is: 5,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.12 : 16,735.32 = 3,763.20 : x
  2. Step 2: Convert to fraction form
    11,160.12/16,735.32 = 3,763.20/x
  3. Step 3: Cross multiply
    11,160.12x = 16,735.32 × 3,763.20
  4. Step 4: Simplify right side
    11,160.12x = 62,978,356.22
  5. Step 5: Solve for x
    x = 62,978,356.22/11,160.12
  6. Step 6: Final answer
    x = 5,643.16

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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.