Home / 8,815.35-12,165.10-4,836.46

Finding the Fourth Proportional to 8,815.35, 12,165.10 and 4,836.46

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Solution

The fourth proportional to 8,815.35, 12,165.10 and 4,836.46 is: 6,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.35 : 12,165.10 = 4,836.46 : x
  2. Step 2: Convert to fraction form
    8,815.35/12,165.10 = 4,836.46/x
  3. Step 3: Cross multiply
    8,815.35x = 12,165.10 × 4,836.46
  4. Step 4: Simplify right side
    8,815.35x = 58,836,019.55
  5. Step 5: Solve for x
    x = 58,836,019.55/8,815.35
  6. Step 6: Final answer
    x = 6,674.27

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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.