Home / 9,791.40-13,508.91-5,542.04

Finding the Fourth Proportional to 9,791.40, 13,508.91 and 5,542.04

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Solution

The fourth proportional to 9,791.40, 13,508.91 and 5,542.04 is: 7,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.40 : 13,508.91 = 5,542.04 : x
  2. Step 2: Convert to fraction form
    9,791.40/13,508.91 = 5,542.04/x
  3. Step 3: Cross multiply
    9,791.40x = 13,508.91 × 5,542.04
  4. Step 4: Simplify right side
    9,791.40x = 74,866,877.36
  5. Step 5: Solve for x
    x = 74,866,877.36/9,791.40
  6. Step 6: Final answer
    x = 7,646.19

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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.