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Finding the Fourth Proportional to 9,151.00, 13,686.93 and 5,393.86

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Solution

The fourth proportional to 9,151.00, 13,686.93 and 5,393.86 is: 8,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.00 : 13,686.93 = 5,393.86 : x
  2. Step 2: Convert to fraction form
    9,151.00/13,686.93 = 5,393.86/x
  3. Step 3: Cross multiply
    9,151.00x = 13,686.93 × 5,393.86
  4. Step 4: Simplify right side
    9,151.00x = 73,825,350.03
  5. Step 5: Solve for x
    x = 73,825,350.03/9,151.00
  6. Step 6: Final answer
    x = 8,067.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.