Home / 11,700.69-17,548.45-3,378.90

Finding the Fourth Proportional to 11,700.69, 17,548.45 and 3,378.90

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Solution

The fourth proportional to 11,700.69, 17,548.45 and 3,378.90 is: 5,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.69 : 17,548.45 = 3,378.90 : x
  2. Step 2: Convert to fraction form
    11,700.69/17,548.45 = 3,378.90/x
  3. Step 3: Cross multiply
    11,700.69x = 17,548.45 × 3,378.90
  4. Step 4: Simplify right side
    11,700.69x = 59,294,457.71
  5. Step 5: Solve for x
    x = 59,294,457.71/11,700.69
  6. Step 6: Final answer
    x = 5,067.60

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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.