Home / 13,077.29-19,613.21-4,310.16

Finding the Fourth Proportional to 13,077.29, 19,613.21 and 4,310.16

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Solution

The fourth proportional to 13,077.29, 19,613.21 and 4,310.16 is: 6,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.29 : 19,613.21 = 4,310.16 : x
  2. Step 2: Convert to fraction form
    13,077.29/19,613.21 = 4,310.16/x
  3. Step 3: Cross multiply
    13,077.29x = 19,613.21 × 4,310.16
  4. Step 4: Simplify right side
    13,077.29x = 84,535,978.11
  5. Step 5: Solve for x
    x = 84,535,978.11/13,077.29
  6. Step 6: Final answer
    x = 6,464.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.