Home / 9,613.24-13,262.68-6,464.44

Finding the Fourth Proportional to 9,613.24, 13,262.68 and 6,464.44

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Solution

The fourth proportional to 9,613.24, 13,262.68 and 6,464.44 is: 8,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.24 : 13,262.68 = 6,464.44 : x
  2. Step 2: Convert to fraction form
    9,613.24/13,262.68 = 6,464.44/x
  3. Step 3: Cross multiply
    9,613.24x = 13,262.68 × 6,464.44
  4. Step 4: Simplify right side
    9,613.24x = 85,735,799.10
  5. Step 5: Solve for x
    x = 85,735,799.10/9,613.24
  6. Step 6: Final answer
    x = 8,918.51

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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.