Home / 10,040.04-13,854.88-5,791.28

Finding the Fourth Proportional to 10,040.04, 13,854.88 and 5,791.28

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Solution

The fourth proportional to 10,040.04, 13,854.88 and 5,791.28 is: 7,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.04 : 13,854.88 = 5,791.28 : x
  2. Step 2: Convert to fraction form
    10,040.04/13,854.88 = 5,791.28/x
  3. Step 3: Cross multiply
    10,040.04x = 13,854.88 × 5,791.28
  4. Step 4: Simplify right side
    10,040.04x = 80,237,489.45
  5. Step 5: Solve for x
    x = 80,237,489.45/10,040.04
  6. Step 6: Final answer
    x = 7,991.75

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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.