Home / 8,262.87-11,412.23-5,442.86

Finding the Fourth Proportional to 8,262.87, 11,412.23 and 5,442.86

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Solution

The fourth proportional to 8,262.87, 11,412.23 and 5,442.86 is: 7,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.87 : 11,412.23 = 5,442.86 : x
  2. Step 2: Convert to fraction form
    8,262.87/11,412.23 = 5,442.86/x
  3. Step 3: Cross multiply
    8,262.87x = 11,412.23 × 5,442.86
  4. Step 4: Simplify right side
    8,262.87x = 62,115,170.18
  5. Step 5: Solve for x
    x = 62,115,170.18/8,262.87
  6. Step 6: Final answer
    x = 7,517.38

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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.