Home / 9,738.24-13,438.44-5,545.68

Finding the Fourth Proportional to 9,738.24, 13,438.44 and 5,545.68

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Solution

The fourth proportional to 9,738.24, 13,438.44 and 5,545.68 is: 7,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.24 : 13,438.44 = 5,545.68 : x
  2. Step 2: Convert to fraction form
    9,738.24/13,438.44 = 5,545.68/x
  3. Step 3: Cross multiply
    9,738.24x = 13,438.44 × 5,545.68
  4. Step 4: Simplify right side
    9,738.24x = 74,525,287.94
  5. Step 5: Solve for x
    x = 74,525,287.94/9,738.24
  6. Step 6: Final answer
    x = 7,652.85

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1.5x scale

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.