Home / 9,329.13-13,989.38-3,087.99

Finding the Fourth Proportional to 9,329.13, 13,989.38 and 3,087.99

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Solution

The fourth proportional to 9,329.13, 13,989.38 and 3,087.99 is: 4,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.13 : 13,989.38 = 3,087.99 : x
  2. Step 2: Convert to fraction form
    9,329.13/13,989.38 = 3,087.99/x
  3. Step 3: Cross multiply
    9,329.13x = 13,989.38 × 3,087.99
  4. Step 4: Simplify right side
    9,329.13x = 43,199,050.11
  5. Step 5: Solve for x
    x = 43,199,050.11/9,329.13
  6. Step 6: Final answer
    x = 4,630.56

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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.