Home / 10,365.16-15,549.96-3,791.32

Finding the Fourth Proportional to 10,365.16, 15,549.96 and 3,791.32

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Solution

The fourth proportional to 10,365.16, 15,549.96 and 3,791.32 is: 5,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.16 : 15,549.96 = 3,791.32 : x
  2. Step 2: Convert to fraction form
    10,365.16/15,549.96 = 3,791.32/x
  3. Step 3: Cross multiply
    10,365.16x = 15,549.96 × 3,791.32
  4. Step 4: Simplify right side
    10,365.16x = 58,954,874.35
  5. Step 5: Solve for x
    x = 58,954,874.35/10,365.16
  6. Step 6: Final answer
    x = 5,687.79

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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.