Home / 9,370.89-12,933.14-5,391.99

Finding the Fourth Proportional to 9,370.89, 12,933.14 and 5,391.99

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Solution

The fourth proportional to 9,370.89, 12,933.14 and 5,391.99 is: 7,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.89 : 12,933.14 = 5,391.99 : x
  2. Step 2: Convert to fraction form
    9,370.89/12,933.14 = 5,391.99/x
  3. Step 3: Cross multiply
    9,370.89x = 12,933.14 × 5,391.99
  4. Step 4: Simplify right side
    9,370.89x = 69,735,334.59
  5. Step 5: Solve for x
    x = 69,735,334.59/9,370.89
  6. Step 6: Final answer
    x = 7,441.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.