Home / 10,040.12-13,855.13-5,791.19

Finding the Fourth Proportional to 10,040.12, 13,855.13 and 5,791.19

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Solution

The fourth proportional to 10,040.12, 13,855.13 and 5,791.19 is: 7,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.12 : 13,855.13 = 5,791.19 : x
  2. Step 2: Convert to fraction form
    10,040.12/13,855.13 = 5,791.19/x
  3. Step 3: Cross multiply
    10,040.12x = 13,855.13 × 5,791.19
  4. Step 4: Simplify right side
    10,040.12x = 80,237,621.03
  5. Step 5: Solve for x
    x = 80,237,621.03/10,040.12
  6. Step 6: Final answer
    x = 7,991.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.