Home / 8,033.76-11,089.68-5,380.20

Finding the Fourth Proportional to 8,033.76, 11,089.68 and 5,380.20

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Solution

The fourth proportional to 8,033.76, 11,089.68 and 5,380.20 is: 7,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.76 : 11,089.68 = 5,380.20 : x
  2. Step 2: Convert to fraction form
    8,033.76/11,089.68 = 5,380.20/x
  3. Step 3: Cross multiply
    8,033.76x = 11,089.68 × 5,380.20
  4. Step 4: Simplify right side
    8,033.76x = 59,664,696.34
  5. Step 5: Solve for x
    x = 59,664,696.34/8,033.76
  6. Step 6: Final answer
    x = 7,426.75

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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.