Home / 8,147.52-11,243.28-4,562.64

Finding the Fourth Proportional to 8,147.52, 11,243.28 and 4,562.64

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Solution

The fourth proportional to 8,147.52, 11,243.28 and 4,562.64 is: 6,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.52 : 11,243.28 = 4,562.64 : x
  2. Step 2: Convert to fraction form
    8,147.52/11,243.28 = 4,562.64/x
  3. Step 3: Cross multiply
    8,147.52x = 11,243.28 × 4,562.64
  4. Step 4: Simplify right side
    8,147.52x = 51,299,039.06
  5. Step 5: Solve for x
    x = 51,299,039.06/8,147.52
  6. Step 6: Final answer
    x = 6,296.28

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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.