Home / 8,554.10-12,843.30-5,273.60

Finding the Fourth Proportional to 8,554.10, 12,843.30 and 5,273.60

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Solution

The fourth proportional to 8,554.10, 12,843.30 and 5,273.60 is: 7,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.10 : 12,843.30 = 5,273.60 : x
  2. Step 2: Convert to fraction form
    8,554.10/12,843.30 = 5,273.60/x
  3. Step 3: Cross multiply
    8,554.10x = 12,843.30 × 5,273.60
  4. Step 4: Simplify right side
    8,554.10x = 67,730,426.88
  5. Step 5: Solve for x
    x = 67,730,426.88/8,554.10
  6. Step 6: Final answer
    x = 7,917.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.