Home / 8,179.02-11,284.14-5,348.02

Finding the Fourth Proportional to 8,179.02, 11,284.14 and 5,348.02

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Solution

The fourth proportional to 8,179.02, 11,284.14 and 5,348.02 is: 7,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.02 : 11,284.14 = 5,348.02 : x
  2. Step 2: Convert to fraction form
    8,179.02/11,284.14 = 5,348.02/x
  3. Step 3: Cross multiply
    8,179.02x = 11,284.14 × 5,348.02
  4. Step 4: Simplify right side
    8,179.02x = 60,347,806.40
  5. Step 5: Solve for x
    x = 60,347,806.40/8,179.02
  6. Step 6: Final answer
    x = 7,378.37

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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.