Home / 8,968.17-12,377.39-5,383.38

Finding the Fourth Proportional to 8,968.17, 12,377.39 and 5,383.38

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Solution

The fourth proportional to 8,968.17, 12,377.39 and 5,383.38 is: 7,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.17 : 12,377.39 = 5,383.38 : x
  2. Step 2: Convert to fraction form
    8,968.17/12,377.39 = 5,383.38/x
  3. Step 3: Cross multiply
    8,968.17x = 12,377.39 × 5,383.38
  4. Step 4: Simplify right side
    8,968.17x = 66,632,193.78
  5. Step 5: Solve for x
    x = 66,632,193.78/8,968.17
  6. Step 6: Final answer
    x = 7,429.85

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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.