Home / 8,816.90-12,167.61-4,838.18

Finding the Fourth Proportional to 8,816.90, 12,167.61 and 4,838.18

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Solution

The fourth proportional to 8,816.90, 12,167.61 and 4,838.18 is: 6,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.90 : 12,167.61 = 4,838.18 : x
  2. Step 2: Convert to fraction form
    8,816.90/12,167.61 = 4,838.18/x
  3. Step 3: Cross multiply
    8,816.90x = 12,167.61 × 4,838.18
  4. Step 4: Simplify right side
    8,816.90x = 58,869,087.35
  5. Step 5: Solve for x
    x = 58,869,087.35/8,816.90
  6. Step 6: Final answer
    x = 6,676.85

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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.