Home / 8,815.54-12,165-4,836.82

Finding the Fourth Proportional to 8,815.54, 12,165 and 4,836.82

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Solution

The fourth proportional to 8,815.54, 12,165 and 4,836.82 is: 6,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.54 : 12,165 = 4,836.82 : x
  2. Step 2: Convert to fraction form
    8,815.54/12,165 = 4,836.82/x
  3. Step 3: Cross multiply
    8,815.54x = 12,165 × 4,836.82
  4. Step 4: Simplify right side
    8,815.54x = 58,839,915.30
  5. Step 5: Solve for x
    x = 58,839,915.30/8,815.54
  6. Step 6: Final answer
    x = 6,674.57

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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.