Home / 8,379.22-11,562.88-4,602.90

Finding the Fourth Proportional to 8,379.22, 11,562.88 and 4,602.90

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Solution

The fourth proportional to 8,379.22, 11,562.88 and 4,602.90 is: 6,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.22 : 11,562.88 = 4,602.90 : x
  2. Step 2: Convert to fraction form
    8,379.22/11,562.88 = 4,602.90/x
  3. Step 3: Cross multiply
    8,379.22x = 11,562.88 × 4,602.90
  4. Step 4: Simplify right side
    8,379.22x = 53,222,775.37
  5. Step 5: Solve for x
    x = 53,222,775.37/8,379.22
  6. Step 6: Final answer
    x = 6,351.76

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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.