Home / 11,403.87-17,078.01-6,458.52

Finding the Fourth Proportional to 11,403.87, 17,078.01 and 6,458.52

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Solution

The fourth proportional to 11,403.87, 17,078.01 and 6,458.52 is: 9,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.87 : 17,078.01 = 6,458.52 : x
  2. Step 2: Convert to fraction form
    11,403.87/17,078.01 = 6,458.52/x
  3. Step 3: Cross multiply
    11,403.87x = 17,078.01 × 6,458.52
  4. Step 4: Simplify right side
    11,403.87x = 110,298,669.15
  5. Step 5: Solve for x
    x = 110,298,669.15/11,403.87
  6. Step 6: Final answer
    x = 9,672.04

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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.