Home / 9,745.04-13,449.12-5,553.92

Finding the Fourth Proportional to 9,745.04, 13,449.12 and 5,553.92

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Solution

The fourth proportional to 9,745.04, 13,449.12 and 5,553.92 is: 7,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.04 : 13,449.12 = 5,553.92 : x
  2. Step 2: Convert to fraction form
    9,745.04/13,449.12 = 5,553.92/x
  3. Step 3: Cross multiply
    9,745.04x = 13,449.12 × 5,553.92
  4. Step 4: Simplify right side
    9,745.04x = 74,695,336.55
  5. Step 5: Solve for x
    x = 74,695,336.55/9,745.04
  6. Step 6: Final answer
    x = 7,664.96

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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.