Home / 11,727.13-17,567.10-5,478.52

Finding the Fourth Proportional to 11,727.13, 17,567.10 and 5,478.52

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Solution

The fourth proportional to 11,727.13, 17,567.10 and 5,478.52 is: 8,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.13 : 17,567.10 = 5,478.52 : x
  2. Step 2: Convert to fraction form
    11,727.13/17,567.10 = 5,478.52/x
  3. Step 3: Cross multiply
    11,727.13x = 17,567.10 × 5,478.52
  4. Step 4: Simplify right side
    11,727.13x = 96,241,708.69
  5. Step 5: Solve for x
    x = 96,241,708.69/11,727.13
  6. Step 6: Final answer
    x = 8,206.76

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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.