Home / 8,531.20-11,763-5,843.72

Finding the Fourth Proportional to 8,531.20, 11,763 and 5,843.72

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Solution

The fourth proportional to 8,531.20, 11,763 and 5,843.72 is: 8,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.20 : 11,763 = 5,843.72 : x
  2. Step 2: Convert to fraction form
    8,531.20/11,763 = 5,843.72/x
  3. Step 3: Cross multiply
    8,531.20x = 11,763 × 5,843.72
  4. Step 4: Simplify right side
    8,531.20x = 68,739,678.36
  5. Step 5: Solve for x
    x = 68,739,678.36/8,531.20
  6. Step 6: Final answer
    x = 8,057.45

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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.