Home / 9,791.04-13,511.70-5,542.32

Finding the Fourth Proportional to 9,791.04, 13,511.70 and 5,542.32

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Solution

The fourth proportional to 9,791.04, 13,511.70 and 5,542.32 is: 7,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.04 : 13,511.70 = 5,542.32 : x
  2. Step 2: Convert to fraction form
    9,791.04/13,511.70 = 5,542.32/x
  3. Step 3: Cross multiply
    9,791.04x = 13,511.70 × 5,542.32
  4. Step 4: Simplify right side
    9,791.04x = 74,886,165.14
  5. Step 5: Solve for x
    x = 74,886,165.14/9,791.04
  6. Step 6: Final answer
    x = 7,648.44

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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.