Home / 10,788.39-16,159.16-5,230.07

Finding the Fourth Proportional to 10,788.39, 16,159.16 and 5,230.07

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Solution

The fourth proportional to 10,788.39, 16,159.16 and 5,230.07 is: 7,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.39 : 16,159.16 = 5,230.07 : x
  2. Step 2: Convert to fraction form
    10,788.39/16,159.16 = 5,230.07/x
  3. Step 3: Cross multiply
    10,788.39x = 16,159.16 × 5,230.07
  4. Step 4: Simplify right side
    10,788.39x = 84,513,530.82
  5. Step 5: Solve for x
    x = 84,513,530.82/10,788.39
  6. Step 6: Final answer
    x = 7,833.75

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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.