Home / 9,542.80-13,169.64-5,351.68

Finding the Fourth Proportional to 9,542.80, 13,169.64 and 5,351.68

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Solution

The fourth proportional to 9,542.80, 13,169.64 and 5,351.68 is: 7,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542.80 : 13,169.64 = 5,351.68 : x
  2. Step 2: Convert to fraction form
    9,542.80/13,169.64 = 5,351.68/x
  3. Step 3: Cross multiply
    9,542.80x = 13,169.64 × 5,351.68
  4. Step 4: Simplify right side
    9,542.80x = 70,479,699.00
  5. Step 5: Solve for x
    x = 70,479,699.00/9,542.80
  6. Step 6: Final answer
    x = 7,385.64

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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.