Home / 8,815.41-12,165.39-4,836.43

Finding the Fourth Proportional to 8,815.41, 12,165.39 and 4,836.43

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Solution

The fourth proportional to 8,815.41, 12,165.39 and 4,836.43 is: 6,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.41 : 12,165.39 = 4,836.43 : x
  2. Step 2: Convert to fraction form
    8,815.41/12,165.39 = 4,836.43/x
  3. Step 3: Cross multiply
    8,815.41x = 12,165.39 × 4,836.43
  4. Step 4: Simplify right side
    8,815.41x = 58,837,106.58
  5. Step 5: Solve for x
    x = 58,837,106.58/8,815.41
  6. Step 6: Final answer
    x = 6,674.35

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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.