Home / 11,164.08-16,735.32-5,319.12

Finding the Fourth Proportional to 11,164.08, 16,735.32 and 5,319.12

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Solution

The fourth proportional to 11,164.08, 16,735.32 and 5,319.12 is: 7,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.08 : 16,735.32 = 5,319.12 : x
  2. Step 2: Convert to fraction form
    11,164.08/16,735.32 = 5,319.12/x
  3. Step 3: Cross multiply
    11,164.08x = 16,735.32 × 5,319.12
  4. Step 4: Simplify right side
    11,164.08x = 89,017,175.32
  5. Step 5: Solve for x
    x = 89,017,175.32/11,164.08
  6. Step 6: Final answer
    x = 7,973.53

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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.