Home / 8,379.54-11,562.90-4,842.24

Finding the Fourth Proportional to 8,379.54, 11,562.90 and 4,842.24

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Solution

The fourth proportional to 8,379.54, 11,562.90 and 4,842.24 is: 6,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.54 : 11,562.90 = 4,842.24 : x
  2. Step 2: Convert to fraction form
    8,379.54/11,562.90 = 4,842.24/x
  3. Step 3: Cross multiply
    8,379.54x = 11,562.90 × 4,842.24
  4. Step 4: Simplify right side
    8,379.54x = 55,990,336.90
  5. Step 5: Solve for x
    x = 55,990,336.90/8,379.54
  6. Step 6: Final answer
    x = 6,681.79

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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.