Home / 8,872.87-12,244.58-5,287.27

Finding the Fourth Proportional to 8,872.87, 12,244.58 and 5,287.27

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Solution

The fourth proportional to 8,872.87, 12,244.58 and 5,287.27 is: 7,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.87 : 12,244.58 = 5,287.27 : x
  2. Step 2: Convert to fraction form
    8,872.87/12,244.58 = 5,287.27/x
  3. Step 3: Cross multiply
    8,872.87x = 12,244.58 × 5,287.27
  4. Step 4: Simplify right side
    8,872.87x = 64,740,400.50
  5. Step 5: Solve for x
    x = 64,740,400.50/8,872.87
  6. Step 6: Final answer
    x = 7,296.44

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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.