Home / 28,741.08-43,110.42-7,964.04

Finding the Fourth Proportional to 28,741.08, 43,110.42 and 7,964.04

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Solution

The fourth proportional to 28,741.08, 43,110.42 and 7,964.04 is: 11,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.08 : 43,110.42 = 7,964.04 : x
  2. Step 2: Convert to fraction form
    28,741.08/43,110.42 = 7,964.04/x
  3. Step 3: Cross multiply
    28,741.08x = 43,110.42 × 7,964.04
  4. Step 4: Simplify right side
    28,741.08x = 343,333,109.30
  5. Step 5: Solve for x
    x = 343,333,109.30/28,741.08
  6. Step 6: Final answer
    x = 11,945.73

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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.