Home / 8,216.48-11,338.45-4,631.65

Finding the Fourth Proportional to 8,216.48, 11,338.45 and 4,631.65

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Solution

The fourth proportional to 8,216.48, 11,338.45 and 4,631.65 is: 6,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.48 : 11,338.45 = 4,631.65 : x
  2. Step 2: Convert to fraction form
    8,216.48/11,338.45 = 4,631.65/x
  3. Step 3: Cross multiply
    8,216.48x = 11,338.45 × 4,631.65
  4. Step 4: Simplify right side
    8,216.48x = 52,515,692.02
  5. Step 5: Solve for x
    x = 52,515,692.02/8,216.48
  6. Step 6: Final answer
    x = 6,391.51

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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.